simple API explorer tool

Update c# language version
Automatically apend install_config.json to bts_installer.exe when access via
2018-06-05 10:03:17 -04:00 · 2018-06-05 10:03:17 -04:00 · 2018-06-05 08:29:33 -04:00 · 2018-06-05 07:33:51 -04:00 · 2018-06-04 22:51:24 -04:00 · 2018-06-04 17:27:27 -04:00
1622 changed files with 94800 additions and 40739 deletions
@@ -0,0 +1 @@
+IndentWidth: 3
@@ -1,4 +1,7 @@
+nohup.out
 build/
+cmake-build-debug/
+.idea/
 .dir-locals.el
 *.pyc
 .vscode/*
@@ -6,7 +9,15 @@ build/
 .vs
 obj/
 *.csproj.user
+*.vspx
+*.psess
 msbuild.log
 *.orig
 vcxproj.user
 src/client/spark/Properties/launchSettings.json
+compile_commands.json
+.cquery_cached_index/
+src/client/sparkcmd/Properties/launchSettings.json
+node_modules
+paket-files
+project.lock.json
@@ -1,66 +1,102 @@
-{
-    "configurations": [
-        {
-            "name": "Linux",
-            "includePath": [
-                "/usr/include",
-                "/usr/local/include",
-                "${workspaceRoot}"
-            ],
-            "defines": [],
-            "intelliSenseMode": "clang-x64",
-            "browse": {
-                "path": [
-                    "/usr/include",
-                    "/usr/local/include",
-                    "${workspaceRoot}"
-                ],
-                "limitSymbolsToIncludedHeaders": true,
-                "databaseFilename": ""
-            }
-        },
-        {
-            "name": "Windows",
-            "intelliSenseMode": "clang-x64",
-            "includePath": [
-                "${workspaceRoot}/src",
-                "${workspaceRoot}/build/src",
-                "${workspaceRoot}/build/gcc_debug/src",
-                "${workspaceRoot}/externals/windows/include",
-                "${workspaceRoot}/externals/linux/include",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu/c++/6",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6/backward",
-                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include",
-                "${workspaceRoot}/externals/windows/vscode/usr/local/include",
-                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include-fixed",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu",
-                "${workspaceRoot}/externals/windows/vscode/usr/include"
-            ],
-            "defines": [
-               "__linux__",
-               "__x86_64__"
-            ],
-            "browse": {
-                "path": [
-                "${workspaceRoot}/src",
-                "${workspaceRoot}/build/src",
-                "${workspaceRoot}/build/gcc_debug/src",
-                "${workspaceRoot}/externals/windows/include",
-                "${workspaceRoot}/externals/linux/include",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu/c++/6",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6/backward",
-                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include",
-                "${workspaceRoot}/externals/windows/vscode/usr/local/include",
-                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include-fixed",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu",
-                "${workspaceRoot}/externals/windows/vscode/usr/include/*"
-                ],
-                "limitSymbolsToIncludedHeaders": true,
-                "databaseFilename": ""
-            }
-        }
-    ],
-    "version": 3
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "/usr/include",
+                "/usr/local/include",
+                "${workspaceRoot}"
+            ],
+            "defines": [],
+            "intelliSenseMode": "clang-x64",
+            "browse": {
+                "path": [
+                    "/usr/include",
+                    "/usr/local/include",
+                    "${workspaceRoot}"
+                ],
+                "limitSymbolsToIncludedHeaders": true,
+                "databaseFilename": ""
+            },
+            "cStandard": "c11",
+            "cppStandard": "c++17"
+        },
+        {
+            "name": "Windows",
+            "intelliSenseMode": "clang-x64",
+            "includePath": [
+                "${workspaceRoot}/src",
+                "${workspaceRoot}/build/src",
+                "${workspaceRoot}/build/ninja_debug/src",
+                "${workspaceRoot}/externals/windows/include",
+                "${workspaceRoot}/externals/linux/include",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu/c++/6",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6/backward",
+                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include",
+                "${workspaceRoot}/externals/windows/vscode/usr/local/include",
+                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include-fixed",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu",
+                "${workspaceRoot}/externals/windows/vscode/usr/include"
+            ],
+            "defines": [
+                "__linux__",
+                "__x86_64__"
+            ],
+            "browse": {
+                "path": [
+                    "${workspaceRoot}/src",
+                    "${workspaceRoot}/build/src",
+                    "${workspaceRoot}/build/ninja_debug/src",
+                    "${workspaceRoot}/externals/windows/include",
+                    "${workspaceRoot}/externals/linux/include",
+                    "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6",
+                    "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu/c++/6",
+                    "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6/backward",
+                    "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include",
+                    "${workspaceRoot}/externals/windows/vscode/usr/local/include",
+                    "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include-fixed",
+                    "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu",
+                    "${workspaceRoot}/externals/windows/vscode/usr/include/*"
+                ],
+                "limitSymbolsToIncludedHeaders": true,
+                "databaseFilename": ""
+            },
+            "cStandard": "c11",
+            "cppStandard": "c++17"
+        },
+        {
+            "name": "WindowsQuick",
+            "intelliSenseMode": "clang-x64",
+            "includePath": [
+                "${workspaceRoot}/src",
+                "${workspaceRoot}/build/src",
+                "${workspaceRoot}/build/ninja_debug/src",
+                "${workspaceRoot}/externals/windows/include",
+                "${workspaceRoot}/externals/linux/include",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu/c++/6",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/c++/6/backward",
+                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include",
+                "${workspaceRoot}/externals/windows/vscode/usr/local/include",
+                "${workspaceRoot}/externals/windows/vscode/usr/lib/gcc/x86_64-linux-gnu/6/include-fixed",
+                "${workspaceRoot}/externals/windows/vscode/usr/include/x86_64-linux-gnu",
+                "${workspaceRoot}/externals/windows/vscode/usr/include"
+            ],
+            "defines": [
+                "__linux__",
+                "__x86_64__"
+            ],
+            "browse": {
+                "path": [
+                    "${workspaceRoot}/src"
+                ],
+                "limitSymbolsToIncludedHeaders": true,
+                "databaseFilename": "${workspaceRoot}/.vscode/browse.vc.db"
+            },
+            "cStandard": "c11",
+            "cppStandard": "c++17"
+        }
+    ],
+    "version": 4
 }
@@ -1,164 +1,315 @@
-{
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "name": "(gdb) Launch",
-            "type": "cppdbg",
-            "request": "launch",
-            "program": "${workspaceRoot}/build/gcc_debug/src/server/sparkd/sparkd",
-            "args": ["run"],
-            "stopAtEntry": false,
-            "cwd": "${workspaceRoot}/build/gcc_debug/src/server/sparkd",
-            "environment": [],
-            "externalConsole": true,
-            "MIMode": "gdb",
-            "setupCommands": [
-                {
-                    "description": "Enable pretty-printing for gdb",
-                    "text": "-enable-pretty-printing",
-                    "ignoreFailures": true
-                }
-            ]
-        },
-        {
-         "name": "Client Launch",
-         "type": "clr",
-         "request": "launch",
-         "program": "${workspaceRoot}/build/Debug/bin/net462/spark.exe",
-         "args": [],
-         "cwd": "${workspaceRoot}",
-         "stopAtEntry": false,
-         "externalConsole": true
-        },
-		{
-            "name": "Client Attach",
-            "type": "clr",
-            "request": "attach",
-            "processId":"${command:pickProcess}"
-        },
-        {
-            "name": "SparkVM Launch",
-            "type": "cppdbg",
-            "request": "launch",
-            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
-            "args": ["configcheck", "System"],
-            "stopAtEntry": true,
-            "cwd": "/home/bts/spark/build/ninja_debug/src/server/sparkd/",
-            "environment": [],
-            "externalConsole": true,
-            "MIMode": "gdb",
-            "preLaunchTask": "",
-            "logging": {
-                "engineLogging": false
-            },
-            "setupCommands": [
-                {
-                    "description": "Enable pretty-printing for gdb",
-                    "text": "enable pretty-printer",
-                    "ignoreFailures": true
-                }
-            ],
-            "pipeTransport": {
-                "pipeCwd": "${workspaceRoot}",
-                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
-                "pipeArgs": ["bts@sparkvm"],
-                "debuggerPath": "/usr/bin/gdb"
-            },
-            "sourceFileMap": {
-                "/home/bts/spark/": "${workspaceRoot}"
-            }
-        },
-        {
-            "name": "Docker Launch",
-            "type": "cppdbg",
-            "request": "launch",
-            "program": "/bts/build/gcc_debug/src/server/sparkd/sparkd",
-            "args": ["test"],
-            "stopAtEntry": false,
-            "cwd": "/bts/build/gcc_debug/src/server/sparkd",
-            "environment": [],
-            "externalConsole": true,
-            "MIMode": "gdb",
-            "preLaunchTask": "",
-            "setupCommands": [
-                {
-                    "description": "Enable pretty-printing for gdb",
-                    "text": "enable pretty-printer",
-                    "ignoreFailures": true
-                }
-            ],
-            "pipeTransport": {
-                "pipeCwd": "${workspaceRoot}",
-                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
-                "pipeArgs": ["-p 2000","root@localhost"],
-                "debuggerPath": "/usr/bin/gdb"
-            },
-            "sourceFileMap": {
-                "/bts/": "${workspaceRoot}"
-            }
-        },
-        {
-            "name": "Docker attach",
-            "type": "cppdbg",
-            "request": "attach",
-            "program": "/bts/build/gcc_debug/src/server/sparkd/sparkd",
-            "processId": "${command:pickRemoteProcess}",
-            "MIMode": "gdb",
-            "pipeTransport": {
-                "pipeCwd": "${workspaceRoot}",
-                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
-                "pipeArgs": ["-p 2000","root@localhost"],
-                "debuggerPath": "/usr/bin/gdb"
-            },
-            "sourceFileMap": {
-                "/bts/": "${workspaceRoot}"
-            }
-         },
-         {
-            "name": "Python",
-            "type": "python",
-            "request": "launch",
-            "stopOnEntry": false,
-            "pythonPath": "${config:python.pythonPath}",
-            "program": "${file}",
-            "cwd": "${workspaceRoot}",
-            "env": {},
-            "envFile": "${workspaceRoot}/.env",
-            "args": [ "DEBUG" ],
-            "debugOptions": [
-                "WaitOnAbnormalExit",
-                "WaitOnNormalExit",
-                "RedirectOutput"
-            ]
-        },
-        {
-            "name": "edge-asp051",
-            "type": "cppdbg",
-            "request": "launch",
-            "program": "/home/bts/spark/sparkd",
-            "args": ["run"],
-            "stopAtEntry": false,
-            "cwd": "/home/bts/spark/",
-            "environment": [],
-            "externalConsole": true,
-            "MIMode": "gdb",
-            "preLaunchTask": "",
-            "setupCommands": [
-                {
-                    "description": "Enable pretty-printing for gdb",
-                    "text": "enable pretty-printer",
-                    "ignoreFailures": true
-                }
-            ],
-            "pipeTransport": {
-                "pipeCwd": "${workspaceRoot}",
-                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
-                "pipeArgs": ["bts@edge-asp051"],
-                "debuggerPath": "/usr/bin/gdb"
-            },
-            "sourceFileMap": {
-               "/bts/": "${workspaceRoot}"
-            }
-        }
-    ]
+{
+    "version": "0.2.0",
+    "configurations": [
+
+        {
+            "name": "(gdb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceRoot}/build/ninja_debug/src/server/sparkd/sparkd",
+            "args": ["run"],
+            "stopAtEntry": false,
+            "cwd": "${workspaceRoot}/build/ninja_debug/src/server/sparkd",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ]
+        },
+        {
+         "name": "Client Launch",
+         "type": "clr",
+         "request": "launch",
+         "program": "${workspaceRoot}/build/Debug/bin/net471/spark.exe",
+         "args": [],
+         "cwd": "${workspaceRoot}",
+         "stopAtEntry": false,
+         "externalConsole": true,
+         "requireExactSource": false
+        },
+      {
+         "name": "SDK Launch",
+         "type": "clr",
+         "request": "launch",
+         "program": "${workspaceRoot}/build/Debug/bin/net471/spark_sdk.exe",
+         "args": ["md","GLBX","Future","ES","ESM8"],
+         "cwd": "${workspaceRoot}",
+         "stopAtEntry": false,
+         "externalConsole": true,
+         "requireExactSource": false
+      },        
+		{
+            "name": "Client Attach",
+            "type": "clr",
+            "request": "attach",
+            "processId":"${command:pickProcess}"
+        },
+        {
+            "name": "SparkVM Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
+            "args": ["run"],
+            "stopAtEntry": false,
+            "cwd": "/home/bts/spark/build/ninja_debug/src/server/sparkd/",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "logging": {
+                "engineLogging": false
+            },
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "enable pretty-printer",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Skip STL",
+                    "text": "skip -gfi /usr/include/c++/7/bits/*.h",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["bts@sparkvm"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+                "/home/bts/spark/": "${workspaceRoot}"
+            }
+        },
+        {
+            "name": "Spreader Tests",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
+            "args": ["test", "[spreader]"],
+            "stopAtEntry": false,
+            "cwd": "/home/bts/spark/build/ninja_debug/src/server/sparkd/",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "logging": {
+                "engineLogging": false
+            },
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "enable pretty-printer",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["bts@sparkvm"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+                "/home/bts/spark/": "${workspaceRoot}"
+            }
+        },
+        {
+            "name": "Admin Service Tests",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
+            "args": ["test", "[admin_service]"],
+            "stopAtEntry": false,
+            "cwd": "/home/bts/spark/build/ninja_debug/src/server/sparkd/",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "logging": {
+                "engineLogging": false
+            },
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "enable pretty-printer",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["bts@sparkvm"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+                "/home/bts/spark/": "${workspaceRoot}"
+            }
+        },
+        {
+            "name": "Limiter Tests",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
+            "args": ["test", "[limiter]"],
+            "stopAtEntry": false,
+            "cwd": "/home/bts/spark/build/ninja_debug/src/server/sparkd/",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "logging": {
+                "engineLogging": false
+            },
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "enable pretty-printer",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["bts@sparkvm"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+                "/home/bts/spark/": "${workspaceRoot}"
+            }
+        },
+        {
+            "name": "MD Tests",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
+            "args": ["test", "[md]"],
+            "stopAtEntry": false,
+            "cwd": "/home/bts/spark/build/ninja_debug/src/server/sparkd/",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "logging": {
+                "engineLogging": false
+            },
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Skip STL",
+                    "text": "skip -gfi /usr/include/c++/7/bits/*.h",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["bts@sparkvm"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+                "/home/bts/spark/": "${workspaceRoot}"
+            }
+        },
+         {
+            "name": "SparkVM attach",
+            "type": "cppdbg",
+            "request": "attach",
+            "program": "/home/bts/spark/build/ninja_debug/src/server/sparkd/sparkd",
+            "processId": "${command:pickRemoteProcess}",
+            "MIMode": "gdb",
+            "pipeTransport": {
+               "pipeCwd": "${workspaceRoot}",
+               "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+               "pipeArgs": ["bts@sparkvm"],
+               "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+               "/home/bts/spark/": "${workspaceRoot}"
+            }
+         },
+         {
+            "name": "Python",
+            "type": "python",
+            "request": "launch",
+            "stopOnEntry": false,
+            "pythonPath": "${config:python.pythonPath}",
+            "program": "${file}",
+            "cwd": "${workspaceRoot}",
+            "env": {},
+            "envFile": "${workspaceRoot}/.env",
+            "args": [ "DEBUG" ],
+            "debugOptions": [
+                "WaitOnAbnormalExit",
+                "WaitOnNormalExit",
+                "RedirectOutput"
+            ]
+        },
+        {
+            "name": "edge-asp051",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/home/bts/spark/sparkd",
+            "args": ["run"],
+            "stopAtEntry": false,
+            "cwd": "/home/bts/spark/",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "enable pretty-printer",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["bts@edge-asp051"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+               "/bts/": "${workspaceRoot}"
+            }
+        },
+        {
+            "name": "Docker Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "/bts/build/gcc_debug/src/server/sparkd/sparkd",
+            "args": ["test"],
+            "stopAtEntry": false,
+            "cwd": "/bts/build/gcc_debug/src/server/sparkd",
+            "environment": [],
+            "externalConsole": true,
+            "MIMode": "gdb",
+            "preLaunchTask": "",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "enable pretty-printer",
+                    "ignoreFailures": true
+                }
+            ],
+            "pipeTransport": {
+                "pipeCwd": "${workspaceRoot}",
+                "pipeProgram": "c:\\program files\\git\\usr\\bin\\ssh.exe",
+                "pipeArgs": ["-p 2000","root@localhost"],
+                "debuggerPath": "/usr/bin/gdb"
+            },
+            "sourceFileMap": {
+                "/bts/": "${workspaceRoot}"
+            }
+        }
+    ]
 }
@@ -4,9 +4,9 @@
   "version": "2.0.0",
   "tasks": [
      {
-         "taskName": "client_build",
+         "label": "client_build",
         "type": "shell",
-         "command": ".\\tools\\clientbuild.cmd",
+         "command": ".\\tools\\buildspark.cmd",
         "problemMatcher":"$msCompile",
         "presentation": {
            "echo": true,
@@ -20,19 +20,30 @@
         }
      },
      {
-         "taskName": "server_build",         
+         "label": "server_build",         
         "type": "shell",
-         "command": ".\\tools\\ssh_serverbuild.cmd",
-
-         "problemMatcher": {
-            "base": "$gcc",
-            "fileLocation": "relative"
+         "command": ".\\tools\\buildsparkd.cmd",
+         "problemMatcher": {                        
+            "base": "$gcc",       
+            "owner": "cpp",
+            "fileLocation": [
+               "relative",
+               "${workspaceFolder}"               
+            ],
+            "pattern": {
+               "regexp": "(.?)(home)(.?)(bts)(.?)(spark)(.?)(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)",               
+               "file": 8,
+               "line": 9,
+               "column": 10,
+               "severity": 11,
+               "message": 12
+            }
         },
         "presentation": {
            "echo": true,
            "reveal": "always",
            "focus": false,
-            "panel": "shared"
+            "panel": "new"
         },
         "group": {
            "kind": "build",
@@ -28,14 +28,14 @@ if (WIN32)

  set (CMAKE_CXX_FLAGS_DEBUG  "${CMAKE_CXX_FLAGS_DEBUG} /MTd") 
  set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_DEBUG} /MT")
+  set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG /OPT:REF /OPT:ICF /LTCG")

  add_subdirectory(src/lib)
 else ()
   set (CMAKE_CXX_FLAGS_DEBUG  "${CMAKE_CXX_FLAGS_DEBUG} \
-                                -Wall -pedantic -Wextra -Werror -Wno-missing-braces --std=c++14 -fdiagnostics-color")
+                                -Wall -pedantic -Wextra -Werror -Wno-missing-braces -Wno-ignored-qualifiers --std=c++14 -fdiagnostics-color")
   set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_DEBUG} -DNDEBUG -O3")
   add_subdirectory(src/lib)
   add_subdirectory(src/server/sparkd)
+   add_subdirectory(src/web)
 endif()
-
-
@@ -1,10 +1,10 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26730.12
+VisualStudioVersion = 15.0.27130.2024
 MinimumVisualStudioVersion = 15.0.26124.0
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api", "src\client\spark_api\spark_api.csproj", "{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "spark_lib", "build\src\lib\spark_lib.vcxproj", "{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "spark_lib", "build\src\lib\spark_lib.vcxproj", "{502FD050-679A-3B50-B438-098500700919}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark", "src\client\spark\Spark.csproj", "{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}"
 EndProject
@@ -12,7 +12,12 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "sparkcmd", "src\client\spar
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_core", "src\client\spark_core\spark_core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ZERO_CHECK", "build\ZERO_CHECK.vcxproj", "{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ZERO_CHECK", "build\ZERO_CHECK.vcxproj", "{2256015B-E7D5-3614-8F39-814CA68A4444}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_sdk", "src\client\spark_sdk\spark_sdk.csproj", "{6963C314-83C4-4667-B0D0-C2F7AE208C29}"
+	ProjectSection(ProjectDependencies) = postProject
+		{502FD050-679A-3B50-B438-098500700919} = {502FD050-679A-3B50-B438-098500700919}
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -50,22 +55,22 @@ Global
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x64.Build.0 = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x86.ActiveCfg = Release|x64
 		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x86.Build.0 = Release|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Debug|Any CPU.ActiveCfg = Debug|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Debug|x64.ActiveCfg = Debug|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Debug|x64.Build.0 = Debug|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Debug|x86.ActiveCfg = Debug|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.MinSizeRel|x64.ActiveCfg = MinSizeRel|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.MinSizeRel|x86.ActiveCfg = MinSizeRel|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Release|Any CPU.ActiveCfg = Release|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Release|x64.ActiveCfg = Release|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Release|x64.Build.0 = Release|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.Release|x86.ActiveCfg = Release|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
-		{9186D3A8-1C5C-372A-A4EE-E1045BCCB0C7}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|x64
+		{502FD050-679A-3B50-B438-098500700919}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{502FD050-679A-3B50-B438-098500700919}.Debug|x64.ActiveCfg = Debug|x64
+		{502FD050-679A-3B50-B438-098500700919}.Debug|x64.Build.0 = Debug|x64
+		{502FD050-679A-3B50-B438-098500700919}.Debug|x86.ActiveCfg = Debug|x64
+		{502FD050-679A-3B50-B438-098500700919}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|x64
+		{502FD050-679A-3B50-B438-098500700919}.MinSizeRel|x64.ActiveCfg = MinSizeRel|x64
+		{502FD050-679A-3B50-B438-098500700919}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
+		{502FD050-679A-3B50-B438-098500700919}.MinSizeRel|x86.ActiveCfg = MinSizeRel|x64
+		{502FD050-679A-3B50-B438-098500700919}.Release|Any CPU.ActiveCfg = Release|x64
+		{502FD050-679A-3B50-B438-098500700919}.Release|x64.ActiveCfg = Release|x64
+		{502FD050-679A-3B50-B438-098500700919}.Release|x64.Build.0 = Release|x64
+		{502FD050-679A-3B50-B438-098500700919}.Release|x86.ActiveCfg = Release|x64
+		{502FD050-679A-3B50-B438-098500700919}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|x64
+		{502FD050-679A-3B50-B438-098500700919}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
+		{502FD050-679A-3B50-B438-098500700919}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
+		{502FD050-679A-3B50-B438-098500700919}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|x64
 		{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}.Debug|Any CPU.ActiveCfg = Debug|x64
 		{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}.Debug|x64.ActiveCfg = Debug|x64
 		{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}.Debug|x64.Build.0 = Debug|x64
@@ -126,22 +131,42 @@ Global
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x64.Build.0 = Release|x64
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x86.ActiveCfg = Release|x64
 		{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}.RelWithDebInfo|x86.Build.0 = Release|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Debug|Any CPU.ActiveCfg = Debug|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Debug|x64.ActiveCfg = Debug|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Debug|x64.Build.0 = Debug|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Debug|x86.ActiveCfg = Debug|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.MinSizeRel|x64.ActiveCfg = MinSizeRel|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.MinSizeRel|x86.ActiveCfg = MinSizeRel|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Release|Any CPU.ActiveCfg = Release|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Release|x64.ActiveCfg = Release|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Release|x64.Build.0 = Release|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.Release|x86.ActiveCfg = Release|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
-		{33E7E6C5-04E3-36A8-A751-639BE5E72B9B}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Debug|x64.ActiveCfg = Debug|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Debug|x64.Build.0 = Debug|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Debug|x86.ActiveCfg = Debug|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.MinSizeRel|x64.ActiveCfg = MinSizeRel|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.MinSizeRel|x64.Build.0 = MinSizeRel|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.MinSizeRel|x86.ActiveCfg = MinSizeRel|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Release|Any CPU.ActiveCfg = Release|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Release|x64.ActiveCfg = Release|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Release|x64.Build.0 = Release|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.Release|x86.ActiveCfg = Release|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.RelWithDebInfo|Any CPU.ActiveCfg = RelWithDebInfo|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.RelWithDebInfo|x64.ActiveCfg = RelWithDebInfo|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.RelWithDebInfo|x64.Build.0 = RelWithDebInfo|x64
+		{2256015B-E7D5-3614-8F39-814CA68A4444}.RelWithDebInfo|x86.ActiveCfg = RelWithDebInfo|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Debug|x64.ActiveCfg = Debug|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Debug|x64.Build.0 = Debug|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Debug|x86.ActiveCfg = Debug|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.MinSizeRel|Any CPU.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.MinSizeRel|Any CPU.Build.0 = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.MinSizeRel|x64.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.MinSizeRel|x64.Build.0 = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.MinSizeRel|x86.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.MinSizeRel|x86.Build.0 = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Release|Any CPU.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Release|x64.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Release|x64.Build.0 = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.Release|x86.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.RelWithDebInfo|Any CPU.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.RelWithDebInfo|Any CPU.Build.0 = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.RelWithDebInfo|x64.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.RelWithDebInfo|x64.Build.0 = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.RelWithDebInfo|x86.ActiveCfg = Release|x64
+		{6963C314-83C4-4667-B0D0-C2F7AE208C29}.RelWithDebInfo|x86.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -149,4 +174,7 @@ Global
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
 	EndGlobalSection
+	GlobalSection(Performance) = preSolution
+		HasPerformanceSessions = true
+	EndGlobalSection
 EndGlobal
@@ -0,0 +1,17 @@
+{
+   "files.associations": {
+      "chrono": "cpp",
+      "future": "cpp",
+      "system_error": "cpp",
+      "ios": "cpp",
+      "utility": "cpp",
+      "iosfwd": "cpp",
+      "xhash": "cpp",
+      "xstring": "cpp",
+      "xtree": "cpp",
+      "xutility": "cpp",
+      "exception": "cpp",
+      "bitset": "cpp",
+      "xlocale": "cpp"
+   }
+}
@@ -15,7 +15,7 @@
 </PropertyGroup>

 <PropertyGroup Label="Output">
-    <BaseOutputPath>$(SparkRoot)\build\$(Configuration)\$(SolutionName)</BaseOutputPath>
+    <BaseOutputPath>$(SparkRoot)\build\$(Configuration)</BaseOutputPath>
    <OutputPath>$(BaseOutputPath)\bin</OutputPath>
    <BaseIntermediateOutputPath>$(BaseOutputPath)\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
    <IntermediateOutputPath>$(BaseOutputPath)\obj\$(MSBuildProjectName)</IntermediateOutputPath>
@@ -0,0 +1,30 @@
+using bts.api;
+using bts.api.admin;
+using bts.api.core;
+using bts.spark;
+using mbts.spark.utilities;
+using mbts.utils;
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.ComponentModel.Composition;
+using System.Linq;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+
+namespace mbts.spark {
+   [Export]
+   class AdminModel {
+      readonly AdminService _service;
+
+      [ImportingConstructor]
+      private AdminModel(AdminService service) {
+         _service = service;
+
+         on_admin_data = _service.subscribei_admin_data().Table().Replay(1).RefCount();
+      }
+
+      public IObservable<TableUpdate<AdminDataImmutable, int>> on_admin_data { get; }
+
+   }
+}
@@ -0,0 +1,65 @@
+using bts.api;
+using mbts;
+using mbts.config;
+using mbts.spark;
+using mbts.ui;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Diagnostics;
+using System.Linq;
+using System.Reactive.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
+
+namespace bts.ui {
+   [Export, Export(typeof(IShellDaemon))]
+   class AboutDaemon : IShellDaemon, IDisposable {
+      readonly string _user;
+      readonly IBrowserWindowManager _browser;
+      IDisposable _dispose;
+
+      [ImportingConstructor]
+      public AboutDaemon(IBus bus, [Import("username")]string username, IBrowserWindowManager browser) {
+         _user = username;
+         _browser = browser;
+         _dispose = bus.subscribe(SparkTags.About).ObserveOnDispatcher().Subscribe(_ => show_about());
+      }
+
+      [Conditional("DEBUG")]
+      private void enable_crash_on_dblclick(Window w) {
+         w.MouseDoubleClick += (o,e) => {
+            throw new DebugException("Too many or too few clicks on BTS logo.");
+         };
+      }
+
+      void show_about() {
+         Window about = Application.LoadComponent(new Uri("/view/Shell/About.xaml", UriKind.Relative)) as Window;
+         enable_crash_on_dblclick(about);
+         if (about != null) {
+            about.DataContext = new { Version = Configuration.get<bts.config.System>().version, User = _user };
+            about.Topmost = true;
+            about.CommandBindings.Add(new CommandBinding(ApplicationCommands.Close, (a, b) => about.Close()));
+            about.CommandBindings.Add(new CommandBinding(ApplicationCommands.Open, (arg, e) => {
+               if (e.Parameter != null) {
+                  string param = e.Parameter.ToString();
+                  if (!string.IsNullOrEmpty(param) && param.IndexOf("http") == 0) {
+                     Process.Start(param);
+                  }
+                  else if (!string.IsNullOrEmpty(param)) {
+                     Uri address = new Uri("bts://" + param);
+                     _browser.Pages.Add(address);
+                  }
+               }
+            }));
+            about.Show();
+         }
+      }
+
+      public void Dispose() {
+         Disposable.dispose(ref _dispose);
+      }
+   }
+}
@@ -0,0 +1,43 @@
+using bts.api;
+using bts.log;
+using mbts;
+using mbts.spark;
+using mbts.ui;
+using System;
+using System.ComponentModel.Composition;
+using System.Linq;
+using System.Reactive.Linq;
+
+namespace bts {
+   [Export, Export(typeof(IShellDaemon))]
+   class DeleteSyntheticDaemon : IShellDaemon, IDisposable {
+      readonly OrdersModel _orders_model;
+      IDisposable _dispose;
+
+      [ImportingConstructor]
+      public DeleteSyntheticDaemon(IBus bus, OrdersModel orders_model) {
+         _orders_model = orders_model;
+         _dispose = bus.subscribe(SparkTags.SyntheticDeleteTag)
+            .ObserveOnDispatcher()
+            .Subscribe(_delete_synthetic);
+      }
+
+      public void Dispose() =>
+         Disposable.dispose(ref _dispose);
+
+      async void _delete_synthetic(uint id) {
+         var (orders, orders_success) = await _orders_model.on_orders.FirstAsyncTask(SparkUtils.DefaultTimeOut);
+         if (!orders_success) {
+            Logger.warn(Subsystem.Ui, $"Ignoring request to delete synthetic security ({id}) because the orders lookup timed out (must confirm no working orders).");
+         } else if (orders.state.Values.Any(o => o.Def.SecurityKey == id && o.is_non_terminal())) {
+            Logger.warn(Subsystem.Ui, $"Ignoring request to delete synthetic security ({id}) because non-terminal-orders were detected.");
+         } else {
+            var (strategy, strategy_success) = await _orders_model.spreader.lookup_strategy_async(id);
+            if (strategy_success) {
+               var deleted_strategy = strategy.with(deleted: true);
+               await _orders_model.spreader.save_strategy(id, deleted_strategy);
+            }
+         }
+      }
+   }
+}
@@ -0,0 +1,21 @@
+using bts.api.core;
+using bts.api.diagnostic;
+using mbts.ui;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.ComponentModel.Composition.Hosting;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace bts.spark {
+   [Export(typeof(IShellDaemon))]
+   class DiagnosticDaemon : IShellDaemon {
+      readonly ShellDiagnosticsServiceServer _service;
+      [ImportingConstructor]
+      public DiagnosticDaemon(ServiceContext context, CompositionContainer container) {
+         _service = new ShellDiagnosticsServiceServer(container, context);
+      }
+   }
+}
@@ -0,0 +1,82 @@
+using bts.api;
+using bts.api.core;
+using bts.support;
+using mbts;
+using mbts.spark;
+using mbts.ui;
+using System;
+using System.ComponentModel.Composition;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace bts.spark
+{
+   [Export, Export(typeof(IShellDaemon))]
+   public class ErrorReporter : IShellDaemon, IDisposable {
+      readonly ErrorReportService _svc;
+      readonly string _username;
+      IDisposable _dispose;
+
+      [ImportingConstructor]
+      public ErrorReporter(ErrorReportService svc, IBus bus, [Import("username")] string username) {
+         _svc = svc;
+         _username = username;
+         _dispose = bus.subscribe(SparkTags.Support).ObserveOnDispatcher().Subscribe(msg => show_support_window(msg, "Report a problem"));
+      }
+
+      public void Dispose() {
+         Disposable.dispose(ref _dispose);
+      }
+
+      public async Task report_error(string message, string title = null, MessageBoxImage? image = null) {
+         var result = await BTSMessageBox.ShowAsync(message, title = "Error", BTSMessageBoxButtons.OK | BTSMessageBoxButtons.Support, image ?? MessageBoxImage.Error);
+         if (result == BTSMessageBoxButtons.Support) {
+            show_support_window(message, title);
+         }
+      }
+
+      public void show_support_window(string message, string title) {
+         view.controls.SupportRequestWindow.Show(_svc, new ErrorReport() {
+            User = _username,
+            ErrorTitle = title,
+            ErrorMessage = message,
+         });
+      }
+   }
+
+   static class ErrorReporterExtensions
+   {
+      public static bool handle_error<T, TError>(this ErrorReporter error_reporter, Result<T> result, string template, TError error, bool error_ok) =>
+         handle_error(error_reporter, result, template, error, error_ok, false, true);
+
+      public static TRV handle_error<T, TError, TRV>(this ErrorReporter error_reporter, Result<T> result, string template, TError error, bool error_ok, TRV successful_rv, TRV unsuccessful_rv = default) =>
+         handle_error(error_reporter, result, template, _ => error, _ => error_ok, _ => successful_rv, () => unsuccessful_rv).result;
+
+      public static bool handle_error<T, TError>(this ErrorReporter error_reporter, Result<T> result, string template, Func<T, TError> get_error, Func<TError, bool> get_error_ok) =>
+         handle_error(error_reporter, result, template, get_error, get_error_ok, _ => true, () => false).result;
+
+      public static (TRV result, string error) handle_error<T, TError, TRV>(this ErrorReporter error_reporter, Result<T> result, string template, Func<T, TError> get_error, Func<TError, bool> get_error_ok, Func<T, TRV> get_successful_rv) =>
+         handle_error(error_reporter, result, template, get_error, get_error_ok, get_successful_rv, () => default);
+
+      public static (TRV result, string error) handle_error<T, TError, TRV>(
+         this ErrorReporter error_reporter, Result<T> result, string template,
+         Func<T, TError> get_error, Func<TError, bool> get_error_ok,
+         Func<T, TRV> get_successful_rv, Func<TRV> get_unsuccessful_rv
+      ) {
+         if (result.success) {
+            TError error = get_error(result.value);
+            if (get_error_ok(error))
+               return (get_successful_rv(result.value), string.Empty);
+            else {
+               string error_msg = template.fmt(error);
+               error_reporter.report_error(error_msg).ignore();
+               return (get_unsuccessful_rv(), error_msg);
+            }
+         } else {
+            error_reporter.report_error(result.error_message).ignore();
+            return (get_unsuccessful_rv(), result.error_message);
+         }
+      }
+   }
+}
@@ -0,0 +1,80 @@
+using bts.api;
+using bts.api.synthetic;
+using bts.log;
+using mbts;
+using mbts.co2;
+using mbts.spark;
+using mbts.ui;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+using System.Linq;
+using SecurityKey = System.UInt32;
+
+namespace bts {
+   [Export(typeof(IShellDaemon))]
+   class MDSource : IObserver<List<SecurityAndHandle>>, IShellDaemon, IDisposable {
+      readonly IBus _bus;
+      readonly MDConsumer _consumer = new MDConsumer();
+      readonly Co2RelayControl _relay;
+      HashSet<SecurityKey> _deleted_synthetics = new HashSet<SecurityKey>();
+      List<IDisposable> _dispose = new List<IDisposable>();
+      IReadOnlyDictionary<SecurityKey, SecurityMD> _exchange_sec_map = new Dictionary<SecurityKey, SecurityMD>();
+
+      [ImportingConstructor]
+      public MDSource(IBus bus, SyntheticSecurityService ss) {
+         _bus = bus;
+         _relay = new Co2RelayControl(_consumer);
+         _relay.preload_securities((co2.MDRequest.Types.Flags)0xff).ignore();
+         _dispose.Add(_consumer.on_security.Subscribe(this));
+         _dispose.Add(
+            ss.subscribei_metadata()
+            .Select(upd => upd.all.ToDictionary(i => i.SecurityKey, i => i.Strategy))
+            .Subscribe(t => {
+               _deleted_synthetics = new HashSet<uint>(t.Where(kv => kv.Value.Deleted).Select(kv => kv.Key));
+               _bus.post(SparkTags.SyntheticstrategiesTag, t);
+            }));
+         new DataPersistor(_bus);
+         Task.Run(run);
+      }
+
+      [Export]
+      MDConsumer consumer => _consumer;
+
+      public void OnCompleted() { }
+      public void OnError(Exception error) => Logger.error(Subsystem.gen, error.ToString());
+      public void OnNext(List<SecurityAndHandle> values) {
+         if (values.Count > 0) {
+            var temp = _exchange_sec_map.ToDictionary(k => k.Key, k => k.Value);
+            foreach (var v in values) {
+               temp.Add(v.security.Id, new SecurityMD(v.security, v.handle));
+            }
+            _exchange_sec_map = temp;
+         }
+      }
+
+      public void Dispose() => Disposable.dispose(_dispose);
+
+      async Task run() {
+         int exch_sec_count = 0, deleted_synth_count = 0;
+         while (true) {
+            var exch = _exchange_sec_map;
+            var deleted_synths = _deleted_synthetics;
+            if (exch.Count > exch_sec_count || deleted_synths.Count != deleted_synth_count) {
+               exch_sec_count = exch.Count;
+               deleted_synth_count = deleted_synths.Count;
+               exch = exch.Where(kv => !deleted_synths.Contains(kv.Key)).ToDictionary();
+               try {
+                  Logger.log(Level.Info, Subsystem.gen, String.Format("MDSource publishing {0} securities", exch.Count));
+                  _bus.post(SparkTags.SecuritiesTag, exch);
+               } catch (Exception e) {
+                  Logger.error(Subsystem.md, $"Error in publish_securities: {e}");
+               }
+            }
+            await Task.Delay(TimeSpan.FromSeconds(1));
+         }
+      }
+   }
+}
@@ -0,0 +1,39 @@
+using mbts;
+using mbts.ui;
+using System;
+using System.ComponentModel.Composition;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using bts.api;
+using mbts.spark;
+using bts.spark;
+using bts.api.orderman;
+using System.Windows;
+
+namespace bts
+{
+   [Export, Export(typeof(IShellDaemon))]
+   class ModifyOrderDaemon : IShellDaemon, IDisposable {
+      readonly IBus _bus;
+      IDisposable _dispose;
+
+      [ImportingConstructor]
+      public ModifyOrderDaemon(IBus bus) {
+         _bus = bus;
+         //_dispose = Disposable.Create(
+         //   bus.subscribe(SparkTags.ShowModifyOrderTag).Subscribe(show_modify_order)
+         //);
+         _dispose = null;
+      }
+
+      void show_modify_order(OrderRecordImmutable record) {
+         // lauch the order ticket
+      }
+
+      public void Dispose() {
+         Disposable.dispose(ref _dispose);
+      }
+   }
+}
@@ -0,0 +1,70 @@
+using bts.api;
+using bts.api.core;
+using bts.api.orderman;
+using bts.spark;
+using mbts;
+using mbts.spark;
+using mbts.ui;
+using mbts.ui.spark;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Reactive.Linq;
+using System.Windows;
+
+namespace bts.shell {
+   [Export(typeof(IShellDaemon))]
+   class OrderTicketDaemon : IShellDaemon {
+      readonly IBus _bus;
+      readonly OrdersModel _model;
+      readonly ErrorReporter _error_reporter;
+      IReadOnlyDictionary<uint, SecurityMD> _md_map;
+      TableUpdate<OrderRecordImmutable, uint> _orders;
+      IDisposable _dispose;
+
+      [ImportingConstructor]
+      public OrderTicketDaemon(IBus bus, OrdersModel model, ErrorReporter error_reporter) {
+         _bus = bus;
+         _model = model;
+         _error_reporter = error_reporter;
+         _dispose = Disposable.Create(
+            model.on_orders.ObserveOnDispatcher().Subscribe(o => _orders = o),
+            bus.subscribe(SparkTags.SecuritiesTag).ObserveOnDispatcher().Subscribe(m =>_md_map = m),
+            bus.subscribe(SparkTags.ShowOrderTicketFromSecurityTag).ObserveOnDispatcher().Subscribe(_show_order_ticket),
+            bus.subscribe(SparkTags.ShowOrderTicketTag).ObserveOnDispatcher().Subscribe(_show_order_ticket),
+            bus.subscribe(SparkTags.ShowModifyOrderTag).ObserveOnDispatcher().Subscribe(_show_modify_order)
+         );
+      }
+
+      public void Dispose() =>
+         Disposable.dispose(ref _dispose);
+
+      static void _show_order_window(Window window) => 
+         window.Show(-200, -160, true);
+
+      void _show_order_ticket(SecurityMD smd) =>
+         _show_order_window(new OrderTicket {
+            DataContext = new NewOrderTicketVM(_model, smd,
+               Observable.Return(_model.factory.default_ladder_settings(smd.security)))
+         });
+
+      void _show_order_ticket((OrderDefinitionImmutable def, double price, uint size) ops) {
+         if (_md_map.TryGetValue(ops.def.SecurityKey, out SecurityMD smd))
+            _show_order_window(new OrderTicket {
+               DataContext = new NewOrderTicketVM(_model, smd, ops.def, ops.price, ops.size,
+                  Observable.Return(_model.factory.default_ladder_settings(smd.security).calculator_buttons))
+            });
+      }
+
+      void _show_modify_order(uint order_key) {
+         if (_orders.state.TryGetValue(order_key, out OrderRecordImmutable ori) && _md_map.TryGetValue(ori.Def.SecurityKey, out SecurityMD smd)
+            && (ori.HasDef && ori.Def.HasCustomDef && !(ori.Def.CustomDef.HasStop || ori.Def.CustomDef.HasStopLimit)))
+         _show_order_window(new OrderModificationDialog {
+            DataContext = new ExistingOrderTicketVM(_model,
+               Observable.Return(new OrderRecordTuple(ori,  smd)),
+               Observable.Return(_model.factory.default_ladder_settings(smd.security).calculator_buttons)
+            )
+         });
+      }
+   }
+}
@@ -0,0 +1,130 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using bts.api;
+using mbts.spark;
+using mbts.ui;
+using System.ComponentModel.Composition;
+using mbts;
+using System.Windows;
+using System.Windows.Input;
+using bts.spark;
+using System.Reactive.Linq;
+
+namespace bts {
+   [Export, Export(typeof(IShellDaemon))]
+   class SecurityPickerDaemon : IShellDaemon, IDisposable {
+      readonly IBus _bus;
+      IDisposable _dispose;
+
+      [ImportingConstructor]
+      public SecurityPickerDaemon(IBus bus) {
+         _bus = bus;
+         _dispose = Disposable.Create(
+            bus.subscribe(SparkTags.ShowPickOne).ObserveOnDispatcher().Subscribe(show_pick_one),
+            bus.subscribe(SparkTags.FilterPickOne).ObserveOnDispatcher().Subscribe(show_filtered_pick_one),
+            bus.subscribe(SparkTags.ShowPickMultiple).ObserveOnDispatcher().Subscribe(show_pick_multiple),
+            bus.subscribe(SparkTags.ShowAndEditPickMultiple).ObserveOnDispatcher().Subscribe(show_and_edit_pick_multiple)
+         );
+      }
+
+      void show_pick_one(PartialCommand<SecurityMD> message) {
+         var vm = new ContractPickerModel(_bus, false, null);
+         var view = new ContractPickerView(vm);
+
+         Window picker = new Window {
+            Content = view,
+            Title = $"Select a Security for {message.title}",
+            Icon = message.icon,
+            Height = view.Height,
+            Width = view.Width
+         };
+         picker.Style = picker.TryFindResource("BTSWindow") as Style;
+         view.Height = Double.NaN;
+         view.Width = Double.NaN;
+
+         vm.ok_action = () => {
+            picker.Close();
+            message.complete(vm.result).execute(_bus);
+         };
+         picker.move_to_mouse();
+         picker.Show();
+      }
+
+      void show_filtered_pick_one((PartialCommand<SecurityMD> message, SecurityCriteria global_filter) message_and_filter) {
+         var vm = new ContractPickerModel(_bus, false, null, message_and_filter.global_filter);
+         var view = new ContractPickerView(vm);
+
+         Window picker = new Window {
+            Content = view,
+            Title = $"Select a Security for {message_and_filter.message.title}",
+            Icon = message_and_filter.message.icon,
+            Height = view.Height,
+            Width = view.Width
+         };
+         picker.Style = picker.TryFindResource("BTSWindow") as Style;
+         view.Height = Double.NaN;
+         view.Width = Double.NaN;
+
+         vm.ok_action = () => {
+            picker.Close();
+            message_and_filter.message.complete(vm.result).execute(_bus);
+         };
+         picker.move_to_mouse();
+         picker.Show();
+      }
+
+      void show_pick_multiple(PartialCommand<SecurityCriteria> message) {
+         var vm = new ContractPickerModel(_bus, true, null);
+         var view = new ContractPickerView(vm);
+
+         Window picker = new Window
+         {
+            Content = view,
+            Title = $"Select Securities for {message.title}",
+            Icon = message.icon,
+            Height = view.Height,
+            Width = view.Width,
+         };
+         picker.Style = picker.TryFindResource("BTSWindow") as Style;
+         view.Height = Double.NaN;
+         view.Width = Double.NaN;
+
+         vm.ok_action = () => {
+            picker.Close();
+            message.complete(vm.result_criteria).execute(_bus);
+         };
+         picker.move_to_mouse();
+         picker.Show();
+      }
+
+      void show_and_edit_pick_multiple((PartialCommand<SecurityCriteria> message, SecurityCriteria existing_criteria) message_and_data)  {
+         var vm = new ContractPickerModel(_bus, true, message_and_data.existing_criteria);
+         var view = new ContractPickerView(vm);
+
+         Window picker = new Window {
+            Content = view,
+            Title = $"  {message_and_data.message.title} security selection",
+            Icon = message_and_data.message.icon,
+            Height = view.Height,
+            Width = view.Width,
+         };
+         picker.Style = picker.TryFindResource("BTSWindow") as Style;
+         view.Height = Double.NaN;
+         view.Width = Double.NaN;
+
+         vm.ok_action = () => {
+            picker.Close();
+            message_and_data.message.complete(vm.result_criteria).execute(_bus);
+         };
+         picker.move_to_mouse();
+         picker.Show();
+      }
+
+      public void Dispose() {
+         Disposable.dispose(ref _dispose);
+      }
+   }
+}
@@ -7,12 +7,16 @@ using System.Text;
 using System.Threading.Tasks;
 using bts.api.user;
 using bts.api.persistence;
+using bts.support;
+using bts.api.orderman;
+using bts.api.synthetic;
+using bts.api.diagnostic;
+using bts.api.admin;

 namespace Spark
 {
    public class ShellServices
    {
-
      [Export]
      public static ServiceContext context { get; } = new ServiceContext();

@@ -25,5 +29,17 @@ namespace Spark
      [Export]
      public PersistenceService generic_settings => context.locate<PersistenceService>();

+      [Export]
+      public ErrorReportService error_service => context.locate<ErrorReportService>();
+
+      [Export]
+      public OrderService order_service => context.locate<OrderService>();
+
+      [Export]
+      public AdminService admin_service => context.locate<AdminService>();
+
+      [Export]
+      public SyntheticSecurityService synthetic_security_service => context.locate<SyntheticSecurityService>();
+
    }
 }
@@ -0,0 +1,38 @@
+using mbts.ui.shell;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace mbts.ui {
+   interface IMenuItemVM {
+      string name { get; }
+      string group { get; }
+      ImageSource icon { get; }
+      ICommand command { get; }
+      object parameter { get; }
+   }
+
+   class MenuItemVM : ViewModelBase, IMenuItemVM {
+      object _parameter;
+
+      public MenuItemVM(string name, ICommand command, ImageSource icon = null, string group = null, object parameter = null) {
+         this.name = name;
+         this.group = group;
+         this.command = command;
+         this.icon = icon;
+         _parameter = parameter;
+      }
+
+      public string name { get; }
+      public string group { get; }
+      public ImageSource icon { get; }
+      public ICommand command { get; }
+      public object parameter {
+         get => _parameter;
+         set {
+            _parameter = value;
+            command.TryRaiseCanExecuteChanged();
+            RaisePropertyChanged();
+         }
+      }
+   }
+}
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -10,8 +10,8 @@ namespace mbts.ui
 {
   public class Icons
   {
-      static readonly string base_uri = "pack://application:,,,/uicore/Images/Icons/";
-      private static ResourceDictionary _resources = (ResourceDictionary)Application.LoadComponent(new Uri("/uicore/Images/Vector/Icons.xaml", UriKind.RelativeOrAbsolute));
+      static readonly string base_uri = "pack://application:,,,/Images/Icons/";
+      private static ResourceDictionary _resources = (ResourceDictionary)Application.LoadComponent(new Uri("/Images/Vector/Icons.xaml", UriKind.RelativeOrAbsolute));
      
      private static Uri uri(string filename) {
         return new Uri(base_uri + filename);
@@ -30,26 +30,22 @@ namespace mbts.ui
      public static ImageSource Sheets { get { return (DrawingImage)_resources["Sheets"]; } }
      public static ImageSource Trades { get { return (DrawingImage)_resources["Trades"]; } }
      public static ImageSource Depth { get { return (DrawingImage)_resources["Depth"]; } }
+      public static ImageSource Ladder { get { return (DrawingImage)_resources["Ladder"]; } }
      public static ImageSource SheetsRed { get { return load_image("SheetsRed.png"); } }
      public static ImageSource SheetsGreen { get { return load_image("SheetsGreen.png"); } }
      public static ImageSource Spreads { get { return (DrawingImage)_resources["Spreads"]; } }
      public static ImageSource BlueSpreads { get { return load_image("BlueSpread.ico"); } }
-      public static ImageSource MMTN { get { return load_image("mmtn.ico"); } }
      public static ImageSource Reports { get { return (DrawingImage)_resources["Reports"]; } }
      public static ImageSource Risk { get { return (DrawingImage)_resources["Risk"]; } }
      public static ImageSource Eye { get { return (DrawingImage)_resources["Eye"]; } }
      public static ImageSource Coins { get { return (DrawingImage)_resources["Coins"]; } }


-      public static ImageSource Loading { get { return load_image("loading.ico"); } }
      public static ImageSource DataCopy { get { return load_image("DataCopy.ico"); } }
-      public static ImageSource Import { get { return load_image("Import.ico"); } }
      public static ImageSource Refresh { get { return load_image("Refresh.png"); } }
      public static ImageSource FavoriteWindow { get { return load_image("FavoriteWindow.png"); } }
-      public static ImageSource RubberStamp { get { return load_image("RubberStamp.png"); } }
-      public static ImageSource Ticket { get { return load_image("Ticket.png"); } }
+      //public static ImageSource Ticket { get { return load_image("Ticket.png"); } } // replaced with AddOrders
      public static ImageSource Date { get { return load_image("Date.png"); } }
-      public static ImageSource RFQArrows { get { return load_image("RFQArrows.png"); } }

      public static ImageSource Cube3d { get { return (DrawingImage)_resources["Cube"];  /*return load_image("Cube-Molecule.png");*/ } }
      public static ImageSource Algo { get { return Cube3d; } }
@@ -57,7 +53,6 @@ namespace mbts.ui
      public static ImageSource Math { get { return (DrawingImage)_resources["Surface"]; } }
      public static ImageSource Abacus { get { return load_image("Abacus.png"); } }

-      public static ImageSource Add_New { get { return load_image("Add-New.png"); } }
      public static ImageSource Delete { get { return load_image("Delete.png"); } }
      public static ImageSource Up_Arrow { get { return load_image("Arrowhead-Up.png"); } }
      public static ImageSource Down_Arrow { get { return load_image("Arrowhead-Down.png"); } }
@@ -73,20 +68,48 @@ namespace mbts.ui
      public static ImageSource Window { get { return (DrawingImage)_resources["Window"]; } }
      public static ImageSource ActiveWindow { get { return (DrawingImage)_resources["ActiveWindow"]; } }
      public static ImageSource Trash { get { return (DrawingImage)_resources["Trash"]; } }
+      public static ImageSource Trash2 { get { return (DrawingImage)_resources["Trash2"]; } }
      public static ImageSource Crucible { get { return (DrawingImage)_resources["Crucible"]; } }

      public static ImageSource Accounting { get { return (DrawingImage)_resources["Accounting"]; } }
+      public static ImageSource Add { get { return (DrawingImage)_resources["Add"]; } }
+      public static ImageSource AddEncircled { get { return (DrawingImage)_resources["AddEncircled"]; } }
      public static ImageSource Beaker { get { return (DrawingImage)_resources["Beaker"]; } }
      public static ImageSource Book { get { return (DrawingImage)_resources["Book"]; } }
+      
+      public static ImageSource AddOrders { get { return (DrawingImage)_resources["AddOrders"]; } }
      public static ImageSource CancelOrders { get { return (DrawingImage)_resources["CancelOrders"]; } }
+      public static ImageSource CancelBuys { get { return (DrawingImage)_resources["CancelBuys"]; } }
+      public static ImageSource CancelSells { get { return (DrawingImage)_resources["CancelSells"]; } }
+      public static ImageSource CancelSelected { get { return (DrawingImage)_resources["CancelSelected"]; } }
+      
+      public static ImageSource LadderCancelOrders { get { return (DrawingImage)_resources["LadderCancelOrders"]; } }
+      public static ImageSource LadderCancelBuys { get { return (DrawingImage)_resources["LadderCancelBuys"]; } }
+      public static ImageSource LadderCancelSells { get { return (DrawingImage)_resources["LadderCancelSells"]; } }
+
+      public static ImageSource Synthetics { get { return (DrawingImage)_resources["Synthetics"]; } } 
+      public static ImageSource AddSynthetic { get { return (DrawingImage)_resources["AddSynthetic"]; } }
+      public static ImageSource RemoveSynthetic { get { return (DrawingImage)_resources["RemoveSynthetic"]; } }
+      public static ImageSource ModifySynthetic { get { return (DrawingImage)_resources["ModifySynthetic"]; } }
+      public static ImageSource CloneSynthetic { get { return (DrawingImage)_resources["CloneSynthetic"]; } }
+
+      public static ImageSource ModifyOrder { get { return (DrawingImage)_resources["ModifyOrder"]; } }
      public static ImageSource Clock { get { return (DrawingImage)_resources["Clock"]; } }
      public static ImageSource Defrag { get { return (DrawingImage)_resources["Defrag"]; } }
      public static ImageSource Display { get { return (DrawingImage)_resources["Display"]; } }
+      public static ImageSource Export => (DrawingImage)_resources["Export"];
+      public static ImageSource Filter { get { return (DrawingImage)_resources["Filter"]; } }
+      public static ImageSource FilterActive { get { return (DrawingImage)_resources["FilterActive"]; } }
+      public static ImageSource FilterError { get { return (DrawingImage)_resources["FilterError"]; } }
+      public static ImageSource Import => (DrawingImage)_resources["Import"];
      public static ImageSource Knight { get { return (DrawingImage)_resources["Knight"]; } }
      public static ImageSource Payment { get { return (DrawingImage)_resources["Payment"]; } }
      public static ImageSource Spawn { get { return (DrawingImage)_resources["Spawn"]; } }
      public static ImageSource Target { get { return (DrawingImage)_resources["Target"]; } }
      public static ImageSource Tetris { get { return (DrawingImage)_resources["Tetris"]; } }
+      public static ImageSource ViewSettings => (DrawingImage)_resources["ViewSettings"];
      public static ImageSource Wrench { get { return (DrawingImage)_resources["Wrench"]; } }
+
+      public static ImageSource Support => (DrawingImage)_resources["SupportIcon"];
   }
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+</ResourceDictionary>   
@@ -0,0 +1,56 @@
+using bts.api;
+using bts.spark;
+using mbts;
+using mbts.co2;
+using mbts.spark;
+using mbts.ui;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Threading.Tasks;
+using System.Windows.Media;
+using static mbts.ui.shell.ProtoBufSerializationHelper;
+
+namespace bts.shell
+{
+   [Export(typeof(IShellModule))]
+   class MarketShellModule : IShellModule
+   {
+      [ImportingConstructor]
+      public MarketShellModule(IBus bus, MDConsumer consumer, OrdersModel orders_model, [Import("username")]string user_name) {
+         _tsf = new TimeAndSalesWindowFactory(this, bus, consumer);
+         _mvf = new MarketViewWindowFactory(this, bus, orders_model);
+      }
+
+      TimeAndSalesWindowFactory _tsf;
+      MarketViewWindowFactory _mvf;
+
+      #region IShellModule
+
+      public ImageSource icon => Icons.Date;
+
+      public string name => "Market";
+
+      public int priority => 10;
+
+      public IEnumerable<SparkCommand> actions => new [] {
+         SparkCommands.PickMarketView,
+         SparkCommands.PickTimeAndSales
+      };
+
+      public Task<IShellWindow> create(Stream load_stream) {
+         if (try_deserialize(load_stream, out ShellSerializationHeader header)) {
+            if (header.name == _tsf.name) return _tsf.load_window(load_stream, header.version);
+            if (header.name == _mvf.name) return _mvf.load_window(load_stream, header.version);
+         }
+         return null;
+      }
+
+      public void Dispose() {
+         Disposable.dispose(ref _tsf);
+         Disposable.dispose(ref _mvf);
+      }
+
+      #endregion
+   }
+}
@@ -0,0 +1,307 @@
+using bts.api;
+using bts.api.orderman;
+using mbts.co2;
+using mbts.collections;
+using mbts.spark.utilities;
+using mbts.ui;
+using mbts.ui.controls;
+using mbts.ui.spark;
+using mbts.ui.utility;
+using mbts.utils;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
+using System.Linq;
+using System.Reactive.Linq;
+using System.Windows.Input;
+
+namespace mbts.spark {
+   partial class MarketViewVM {
+      public class Row : SecurityMDRow, IDisposable, IEquatable<Row>, DIYGrid.IRowVM, DIYGrid.IActionableRowVM {
+         readonly IBus _bus;
+         readonly OrdersModel _orders_model;
+         readonly AnimationManager _animation = new AnimationManager();
+         readonly ObservableCollection<OrderRecordImmutable> _orders = new ObservableCollection<OrderRecordImmutable>();
+         readonly ObservableFilterCollection<OrderRecordImmutable> _working_orders, _working_bids, _working_asks;
+         readonly string _security_text, _security_key_text;
+         readonly Property<double> _bid_price, _ask_price, _last_price, _day_change, _settlement, _session_high, _session_low;
+         readonly Property<ushort> _bid_size, _ask_size;
+         readonly CellProperty<int> _position;
+         readonly CellProperty<ushort> _last_size;
+         readonly CellProperty<ulong> _volume;
+         readonly CellProperty<bool> _inside_bids, _inside_asks;
+         readonly CellProperty<int> _working_bid_volume, _working_ask_volume;
+         readonly CellProperty<double> _working_best_bid, _working_best_ask;
+         readonly CellProperty<string> _working_bids_text, _working_asks_text;
+         readonly MyOrderSummarizer _order_summarizer = new MyOrderSummarizer();
+         ulong _bbo_ref, _last_ref;
+
+         public Row(IBus bus, SecurityMD smd, OrdersModel orders_model) : base(smd) {
+            _bus = bus;
+            _orders_model = orders_model;
+            _security_text = smd.security.ToString();
+            _security_key_text = security_key.ToString();
+            string format_price(double price) => security.ContractSpec.format(price);
+            _position = new CellProperty<int>(0);
+            _bid_price = backing(nameof(bid_price), double.NaN);
+            _ask_price = backing(nameof(ask_price), double.NaN);
+            _bid_size = backing<ushort>(nameof(bid_size), 0);
+            _ask_size = backing<ushort>(nameof(ask_size), 0);
+            _last_price = backing(nameof(last_price), double.NaN);
+            _last_size = new CellProperty<ushort>(0);
+            _day_change = backing(nameof(day_change), double.NaN);
+            _session_low = backing(nameof(session_low), double.NaN);
+            _session_high = backing(nameof(session_high), double.NaN);
+            _settlement = backing(nameof(settlement), double.NaN);
+            _volume = new CellProperty<ulong>(0);
+            _inside_bids = new CellProperty<bool>();
+            _inside_asks = new CellProperty<bool>();
+            _working_bid_volume = new CellProperty<int>();
+            _working_ask_volume = new CellProperty<int>();
+            //
+            _working_orders = new ObservableFilterCollection<OrderRecordImmutable>(_orders, o => o.is_active());
+            _working_bids = new ObservableFilterCollection<OrderRecordImmutable>(_working_orders, o => o.Def.Side == Side.Buy);
+            _working_asks = new ObservableFilterCollection<OrderRecordImmutable>(_working_orders, o => o.Def.Side == Side.Sell);
+            _working_best_bid = new CellProperty<double>(format_price, double.NaN);
+            _working_best_ask = new CellProperty<double>(format_price, double.NaN);
+            _working_bids_text = new CellProperty<string>(string.Empty);
+            _working_asks_text = new CellProperty<string>(string.Empty);
+            //
+            default_command = new DelegateCommand(_show_ladder);
+            bid_price_click = new DelegateCommand(() => _show_order_ticket(MarketViewView.Columns.Bid));
+            bid_size_click = new DelegateCommand(() => _show_order_ticket(MarketViewView.Columns.BidSize));
+            working_bids_click = new DelegateCommand(() => _show_order_book(MarketViewView.Columns.WorkingBids));
+            ask_price_click = new DelegateCommand(() => _show_order_ticket(MarketViewView.Columns.Ask));
+            ask_size_click = new DelegateCommand(() => _show_order_ticket(MarketViewView.Columns.AskSize));
+            working_asks_click = new DelegateCommand(() => _show_order_book(MarketViewView.Columns.WorkingAsks));
+            _animation.AnimationsChanged += on_animations_changed;
+            void on_animations_changed() => RaisePropertyChanged(nameof(animations));
+            _dispose = Disposable.Create(
+               _orders_model.on_security_orders(security.Id).ObserveOnDispatcher().Subscribe(_on_orders),
+               _position.ObserveOnDispatcher().Subscribe(v => _animation.animate_position(v.newval > v.oldval)),
+               _inside_bids.ObserveOnDispatcher().Subscribe(v => _animation.animate_working_bids_inside(v.newval)),
+               _inside_asks.ObserveOnDispatcher().Subscribe(v => _animation.animate_working_asks_inside(v.newval)),
+               _day_change.ObserveOnDispatcher().Subscribe(v => _animation.animate_day_change(v.newval > v.oldval)),
+               Disposable.Create(() => _animation.AnimationsChanged -= on_animations_changed)
+            );
+         }
+
+         public event Action invalidated;
+
+         #region Bound Properties
+         public bool inside_bids => _inside_bids.value;
+         public bool inside_asks => _inside_asks.value;
+         public int position => _position.value;
+         public double last_price => _last_price.Value;
+         public ushort last_size => _last_size.value;
+         public double bid_price => _bid_price.Value;
+         public ushort bid_size => _bid_size.Value;
+         public double ask_price => _ask_price.Value;
+         public ushort ask_size => _ask_size.Value;
+         public ulong volume => _volume.value;
+         public double settlement => _settlement.Value;
+         public double day_change => _day_change.Value;
+         public double session_low => _session_low.Value;
+         public double session_high => _session_high.Value;
+         public int working_bid_volume => _working_bid_volume.value;
+         public int working_ask_volume => _working_ask_volume.value;
+         public string working_bids_text => OrderUtils.order_collection_summary(_order_summarizer.best_working_bid, _order_summarizer.best_working_bid_qty, _order_summarizer.working_bid_qty, security.ContractSpec);
+         public string working_asks_text => OrderUtils.order_collection_summary(_order_summarizer.best_working_ask, _order_summarizer.best_working_ask_qty, _order_summarizer.working_ask_qty, security.ContractSpec);
+         public double working_best_bid => _working_best_bid.value;
+         public double working_best_ask => _working_best_ask.value;
+         public IList<CellAnimation> animations => _animation.get_animations().ToList();
+         public ICommand bid_price_click { get; }
+         public ICommand bid_size_click { get; }
+         public ICommand working_bids_click { get; }
+         public ICommand ask_price_click { get; }
+         public ICommand ask_size_click { get; }
+         public ICommand working_asks_click { get; }
+         public ICommand default_command { get; }
+         #endregion
+
+         public void refresh() {
+            bool dirty = false;
+            if (md.md.get_bbo(ref _bbo_ref, out NativePriceSize b, out NativePriceSize a)) {
+               _bid_price.set(b.price);
+               _bid_size.set(b.size);
+               _ask_price.set(a.price);
+               _ask_size.set(a.size);
+               _inside_bids.on_next_distinct(_bid_price.Value >= _working_best_bid.value, ref dirty);
+               _inside_asks.on_next_distinct(_ask_price.Value <= _working_best_ask.value, ref dirty);
+            }
+            if (md.md.get_last_trade(ref _last_ref, out NativePriceSize ps, out DateTime ts, out ulong v)) {
+               _last_price.set(ps.price);
+               _last_size.on_next_distinct(ps.size, ref dirty);
+               _volume.on_next_distinct(v, ref dirty);
+            }
+            _settlement.set(md.md.settlement_price);
+            _session_low.set(md.md.session_low);
+            _session_high.set(md.md.session_high);
+            _day_change.set(last_price - settlement);
+            if (dirty)
+               invalidated?.Invoke();
+         }
+
+         public bool Equals(Row other) =>
+           other != null &&
+           other.security_key == security_key;
+
+         public override bool Equals(object obj) =>
+            Equals(obj as Row);
+
+         public override int GetHashCode() =>
+            security_key.GetHashCode();
+
+         #region Show Windows
+         void _show_ladder() => _bus.post(SparkTags.ShowLadderTag, md);
+
+         void _show_order_book(MarketViewView.Columns col) {
+            switch (col) {
+               case MarketViewView.Columns.WorkingBids: _show_order_book(Side.Buy); break;
+               case MarketViewView.Columns.WorkingAsks: _show_order_book(Side.Sell); break;
+            }
+         }
+
+         void _show_order_book(Side side) =>
+            _bus.post(SparkTags.ShowOrderBookTag, new bts.shell.OrderBookWindowFactory.OrderBookStartupData(
+               new List<SortingCriteria>(),
+               new bts.shell.OrderBookWindowFactory.FilterStates {
+                  statuses = new[] { OrderStatus.Working },
+                  sides = new[] { side },
+                  security_criteria = new SecurityCriteria(security)
+               }));
+
+         void _show_order_ticket(MarketViewView.Columns col) {
+            var order = _orders_model.factory.order(security);
+            switch (col) {
+               case MarketViewView.Columns.Bid:
+                  order.Side = Side.Sell;
+                  _bus.post(SparkTags.ShowOrderTicketTag, (order, bid_price, 0u));
+                  break;
+               case MarketViewView.Columns.BidSize:
+                  order.Side = Side.Sell;
+                  _bus.post(SparkTags.ShowOrderTicketTag, (order, bid_price, bid_size));
+                  break;
+               case MarketViewView.Columns.Ask:
+                  order.Side = Side.Buy;
+                  _bus.post(SparkTags.ShowOrderTicketTag, (order, ask_price, 0u));
+                  break;
+               case MarketViewView.Columns.AskSize:
+                  order.Side = Side.Buy;
+                  _bus.post(SparkTags.ShowOrderTicketTag, (order, ask_price, ask_size));
+                  break;
+               case MarketViewView.Columns.Last:
+                  _bus.post(SparkTags.ShowOrderTicketTag, (order, last_price, 0u));
+                  break;
+               case MarketViewView.Columns.LastSize:
+                  _bus.post(SparkTags.ShowOrderTicketTag, (order, last_price, last_size));
+                  break;
+            }
+         }
+         #endregion
+
+         #region Callbacks
+         void _on_orders(ITableUpdateTransform<OrderRecordImmutable, uint> orders) {
+            foreach (var o in orders.removed)
+               _order_summarizer.remove_order(o);
+            foreach (var o in orders.added)
+               _order_summarizer.add_order(o);
+            bool dirty = false;
+            _refresh_orders(ref dirty);
+            if (dirty)
+               invalidated?.Invoke();
+         }
+
+         void _refresh_orders(ref bool dirty) {
+            _position.on_next_distinct(_order_summarizer.position, ref dirty);
+            _working_bid_volume.on_next_distinct(_order_summarizer.working_bid_qty, ref dirty);
+            _working_ask_volume.on_next_distinct(_order_summarizer.working_ask_qty, ref dirty);
+            _working_best_bid.on_next_distinct(_order_summarizer.best_working_bid, ref dirty);
+            _working_best_ask.on_next_distinct(_order_summarizer.best_working_ask, ref dirty);
+            _inside_bids.on_next_distinct(_order_summarizer.best_working_bid >= bid_price, ref dirty);
+            _inside_asks.on_next_distinct(_order_summarizer.best_working_ask <= ask_price, ref dirty);
+            RaisePropertyChanged(nameof(working_bids_text), nameof(working_asks_text));
+         }
+         #endregion
+
+         class MyOrderSummarizer {
+            SortedSetMap<double, OrderRecordImmutable> _bids, _asks;
+            int _best_bid_working_qty, _best_ask_working_qty, _position, _working_bid_qty, _working_ask_qty;
+
+            public MyOrderSummarizer() {
+               _bids = new SortedSetMap<double, OrderRecordImmutable>(
+                  OrderDataHelper.CompareUtils.bid_price_comparer,
+                  OrderDataHelper.CompareUtils.order_record_id_eq_comparer);
+               _asks = new SortedSetMap<double, OrderRecordImmutable>(
+                  OrderDataHelper.CompareUtils.ask_price_comparer,
+                  OrderDataHelper.CompareUtils.order_record_id_eq_comparer);
+            }
+
+            // bid
+            public double best_working_bid => _bids.Count > 0 ? _bids.at_index(0).Key : double.NaN;
+            public int best_working_bid_qty => _best_bid_working_qty;
+            public int working_bid_qty => _working_bid_qty;
+            // ask
+            public double best_working_ask => _asks.Count > 0 ? _asks.at_index(0).Key : double.NaN;
+            public int best_working_ask_qty => _best_ask_working_qty;
+            public int working_ask_qty => _working_ask_qty;
+            // pos
+            public int position => _position;
+
+            public void add_order(OrderRecordImmutable o) {
+               // This is a market data form - not an orders form - so just show data for root/non-child orders.
+               if (o.has_parent())
+                  return;
+               switch (o.side()) {
+                  case Side.Buy:
+                     _position += (int)o.filled();
+                     if (o.is_active()) {
+                        _working_bid_qty += o.working_quantity();
+                        _bids.add(o.price(), o);
+                     }
+                     break;
+                  case Side.Sell:
+                     _position -= (int)o.filled();
+                     if (o.is_active()) {
+                        _working_ask_qty += o.working_quantity();
+                        _asks.add(o.price(), o);
+                     }
+                     break;
+                  default: return;
+               }
+               _refresh();
+            }
+
+            public void remove_order(OrderRecordImmutable o) {
+               // This is a market data form - not an orders form - so just show data for root/non-child orders.
+               if (o.has_parent())
+                  return;
+               switch (o.side()) {
+                  case Side.Buy:
+                     _position -= (int)o.filled();
+                     if (o.is_active()) {
+                        _working_bid_qty -= o.working_quantity();
+                        _bids.remove(o.price(), o);
+                     }
+                     break;
+                  case Side.Sell:
+                     _position += (int)o.filled();
+                     if (o.is_active()) {
+                        _working_ask_qty -= o.working_quantity();
+                        _asks.remove(o.price(), o);
+                     }
+                     break;
+                  default: return;
+               }
+               _refresh();
+            }
+
+            void _refresh() {
+               _best_bid_working_qty = _bids.Count > 0 ? _bids.at_index(0).Sum(o => o.working_quantity()) : 0;
+               _best_ask_working_qty = _asks.Count > 0 ? _asks.at_index(0).Sum(o => o.working_quantity()) : 0;
+            }
+         }
+      }
+   }
+}
@@ -0,0 +1,164 @@
+using bts.api;
+using mbts.spark.filters;
+using mbts.ui;
+using mbts.ui.utility;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Windows.Data;
+using System.Windows.Media;
+using System.Reactive.Linq;
+using static bts.shell.MarketViewWindowFactory;
+using static mbts.ui.controls.DIYGrid;
+using static mbts.ui.spark.MarketViewView;
+
+namespace mbts.spark {
+   partial class MarketViewVM : SecurityMDGrid<MarketViewVM.Row, SecurityMD> {
+      readonly IBus _bus;
+      readonly OrdersModel _orders_model;
+
+      public MarketViewVM(IBus bus, OrdersModel orders_model, IObservable<StartupData> state)
+         : base(RXCollection.Create(state.SelectMany(s => s.security_criteria.subscribe_md(bus)), SecurityDataHelper.EqualityComparer.MDComparer), null) {
+         _bus = bus;
+         _orders_model = orders_model;
+         security_filter = new RegexFilterVM<Row>(r => r.security.ToString(), nameof(Row.security));
+         // Columns
+         const string size_col_header = "Qty", working_col_header = "Working";
+         const double working_orders_col_width = 105;
+         IMultiValueConverter price_converter = new ui.spark.converters.TickDisplayConverter();
+         add_col(Columns.Security, "Security", r => r.security.ToString(), nameof(Row.security), DefaultColumnWidths.Security, security_filter, DataGridFilterKnownTemplates.Regex);
+         add_col(Columns.Volume, "Volume", r => r.volume.ToString(), nameof(Row.volume), 64, volume_filter, DataGridFilterKnownTemplates.ULongMinMax);
+         add_col(Columns.Last, "Last", r => r.format_price(r.last_price), nameof(Row.last_price), DefaultColumnWidths.Price, last_price_filter, DataGridFilterKnownTemplates.DoubleMinMax);
+         add_col(Columns.LastSize, size_col_header, r => r.last_size.ToString(), nameof(Row.last_size), DefaultColumnWidths.Size, last_size_filter, DataGridFilterKnownTemplates.UShortMinMax);
+         add_col(Columns.Position, "Pos", r => r.position.ToString(), nameof(Row.position), DefaultColumnWidths.Size, position_filter, DataGridFilterKnownTemplates.IntMinMax, true);
+         add_hl_working_orders_col(Columns.WorkingBids, working_col_header, nameof(Row.working_bids_text), nameof(Row.working_best_bid), nameof(Row.working_bids_click), working_bid_volume_filter, BTSColors.MarketData.bid_brush);
+         add_hl_size_col(Columns.BidSize, size_col_header, nameof(Row.bid_size), nameof(Row.bid_size_click), bid_size_filter, BTSColors.MarketData.bid_brush);
+         add_hl_price_col(Columns.Bid, "Bid", nameof(Row.bid_price), nameof(Row.bid_price_click), bid_price_filter, BTSColors.header_text_brush, BTSColors.MarketData.bid_brush);
+         add_hl_price_col(Columns.Ask, "Ask", nameof(Row.ask_price), nameof(Row.ask_price_click), ask_price_filter, BTSColors.header_text_brush, BTSColors.MarketData.ask_brush);
+         add_hl_size_col(Columns.AskSize, size_col_header, nameof(Row.ask_size), nameof(Row.ask_size_click), ask_size_filter, BTSColors.MarketData.ask_brush);
+         add_hl_working_orders_col(Columns.WorkingAsks, working_col_header, nameof(Row.working_asks_text), nameof(Row.working_best_ask), nameof(Row.working_asks_click), working_ask_volume_filter, BTSColors.MarketData.ask_brush);
+         add_col(Columns.Settlement, "Settlement", r => r.format_price(r.settlement), nameof(Row.settlement), DefaultColumnWidths.Price, settlement_filter, DataGridFilterKnownTemplates.DoubleMinMax);
+         add_col(Columns.DayChange, "Change", r => r.format_price(r.day_change), nameof(Row.day_change), DefaultColumnWidths.Price, day_change_filter, DataGridFilterKnownTemplates.DoubleMinMax, true);
+         add_col(Columns.SessionLow, "Low", r => r.format_price(r.session_low), nameof(Row.session_low), DefaultColumnWidths.Price, session_low_filter, DataGridFilterKnownTemplates.DoubleMinMax);
+         add_col(Columns.SessionHigh, "High", r => r.format_price(r.session_high), nameof(Row.session_high), DefaultColumnWidths.Price, session_high_filter, DataGridFilterKnownTemplates.DoubleMinMax);
+         add_col(Columns.SecurityKey, "Security Key", r => r.security_key.ToString(), nameof(Row.security_key), DefaultColumnWidths.SecurityKey, security_key_filter, DataGridFilterKnownTemplates.Regex);
+         //
+         void add_col(Columns col_key, string header, Func<Row, string> get_text, string prop, double width, IDataGridColumnFilter filter, string filter_template, bool is_animatable = false) =>
+            columns.Add(new RenderTextColumn<Row, Columns>(col_key, get_text, filter, filter_template) {
+               Header = header,
+               sort_member_path = prop,
+               Width = width,
+               padding = is_animatable ? AnimatableCellPadding : DefaultCellPadding
+            });
+
+         void add_hl_price_col(Columns col_key, string header, string prop, string command_prop, IDataGridColumnFilter filter, Brush foreground, Brush background) =>
+            add_hl_col(col_key, header, price_binding(prop), prop, command_prop, filter, DataGridFilterKnownTemplates.DoubleMinMax, DefaultColumnWidths.Price, foreground, background, SelectionFill);
+
+         void add_hl_size_col(Columns col_key, string header, string prop, string command_prop, IDataGridColumnFilter filter, Brush foreground) =>
+            add_hl_col(col_key, header, new Binding(prop), prop, command_prop, filter, DataGridFilterKnownTemplates.UShortMinMax, DefaultColumnWidths.Size, foreground, null, null);
+
+         void add_hl_working_orders_col(Columns col_key, string header, string text_prop, string sort_prop, string command_prop, IDataGridColumnFilter filter, Brush foreground) =>
+            add_hl_col(col_key, header, new Binding(text_prop), sort_prop, command_prop, filter, DataGridFilterKnownTemplates.IntMinMax, working_orders_col_width,  foreground, null, null);
+
+         void add_hl_col(
+            Columns col_key, string header, BindingBase binding, string prop, string command_prop,
+            IDataGridColumnFilter filter, string filter_template, double width, Brush foreground, Brush background, Brush background_overlay) =>
+         columns.Add(new HyperlinkElementColumn<Row, Columns>(
+            col_key, binding, new Binding(command_prop), filter, filter_template) {
+            Header = header,
+            sort_member_path = prop,
+            foreground = foreground,
+            background = background,
+            background_overlay = background_overlay,
+            Width = DefaultColumnWidths.Price
+         });
+
+         BindingBase price_binding(string prop) {
+            var mb = new MultiBinding { Converter = price_converter };
+            mb.Bindings.Add(new Binding(prop) { Mode = BindingMode.OneWay });
+            mb.Bindings.Add(new Binding($"{nameof(Row.security)}.{nameof(SecurityImmutable.ContractSpec)}") { Mode = BindingMode.OneWay });
+            return mb;
+         }
+         //
+         _resources.AddRange(
+            state.ObserveOnDispatcher().Subscribe(s => {
+               using (rows_view.DeferRefresh()) {
+                  rows_view.SetSortingCriteria(s.sorting_criteria);
+                  var filters = s.filters;
+                  if (filters != null) {
+                     security_filter.load_state(filters.security);
+                     bid_price_filter.load_state(filters.bid_price);
+                     bid_size_filter.load_state(filters.bid_size);
+                     ask_price_filter.load_state(filters.ask_price);
+                     ask_size_filter.load_state(filters.ask_size);
+                     last_price_filter.load_state(filters.last_price);
+                     last_size_filter.load_state(filters.last_size);
+                     day_change_filter.load_state(filters.day_change);
+                     settlement_filter.load_state(filters.settlement);
+                     session_low_filter.load_state(filters.session_low);
+                     session_high_filter.load_state(filters.session_high);
+                     position_filter.load_state(filters.position);
+                     working_bid_volume_filter.load_state(filters.working_bid_volume);
+                     working_ask_volume_filter.load_state(filters.working_ask_volume);
+                     volume_filter.load_state(filters.volume);
+                     security_key_filter.load_state(filters.security_key);
+                  }
+               }
+            }), DataGridFilterHelper.hook_filters(rows_view,
+            security_filter, bid_price_filter, bid_size_filter, ask_price_filter, ask_size_filter, last_price_filter, last_size_filter, day_change_filter, settlement_filter,
+            session_low_filter, session_high_filter, position_filter, working_bid_volume_filter, working_ask_volume_filter, volume_filter, security_key_filter),
+            WorkLoop.Start("MarketView", _refresh)
+         );
+      }
+
+      public ObservableCollection<ColumnBase> columns { get; } = new ObservableCollection<ColumnBase>();
+
+      #region Filters
+      public IDataGridColumnPersistentFilter<Row, string> security_filter { get; }
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> bid_price_filter { get; } = new DoubleMinMax<Row>(r => r.bid_price, nameof(Row.bid_price));
+      public IDataGridColumnPersistentFilter<Row, UShortMinMaxState> bid_size_filter { get; } = new UShortMinMax<Row>(r => r.bid_size, nameof(Row.bid_size));
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> ask_price_filter { get; } = new DoubleMinMax<Row>(r => r.ask_price, nameof(Row.ask_price));
+      public IDataGridColumnPersistentFilter<Row, UShortMinMaxState> ask_size_filter { get; } = new UShortMinMax<Row>(r => r.ask_size, nameof(Row.ask_size));
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> last_price_filter { get; } = new DoubleMinMax<Row>(r => r.last_price, nameof(Row.last_price));
+      public IDataGridColumnPersistentFilter<Row, UShortMinMaxState> last_size_filter { get; } = new UShortMinMax<Row>(r => r.last_size, nameof(Row.last_size));
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> day_change_filter { get; } = new DoubleMinMax<Row>(r => r.day_change, nameof(Row.day_change));
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> settlement_filter { get; } = new DoubleMinMax<Row>(r => r.settlement, nameof(Row.settlement));
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> session_low_filter { get; } = new DoubleMinMax<Row>(r => r.session_low, nameof(Row.session_low));
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> session_high_filter { get; } = new DoubleMinMax<Row>(r => r.session_high, nameof(Row.session_high));
+      public IDataGridColumnPersistentFilter<Row, IntMinMaxState> position_filter { get; } = new IntMinMax<Row>(r => r.position, nameof(Row.position));
+      public IDataGridColumnPersistentFilter<Row, IntMinMaxState> working_bid_volume_filter { get; } = new IntMinMax<Row>(r => r.working_bid_volume, nameof(Row.working_bid_volume));
+      public IDataGridColumnPersistentFilter<Row, IntMinMaxState> working_ask_volume_filter { get; } = new IntMinMax<Row>(r => r.working_ask_volume, nameof(Row.working_ask_volume));
+      public IDataGridColumnPersistentFilter<Row, ULongMinMaxState> volume_filter { get; } = new ULongMinMax<Row>(r => r.volume, nameof(Row.volume));
+      public IDataGridColumnPersistentFilter<Row, string> security_key_filter { get; } = new RegexFilterVM<Row>(r => r.security_key.ToString(), nameof(Row.security_key));
+
+      public FilterStates get_filter_states() {
+         return new FilterStates {
+            security = security_filter.get_state(),
+            bid_price = bid_price_filter.get_state(),
+            bid_size = bid_size_filter.get_state(),
+            ask_price = ask_price_filter.get_state(),
+            ask_size = ask_size_filter.get_state(),
+            last_price = last_price_filter.get_state(),
+            last_size = last_size_filter.get_state(),
+            day_change = day_change_filter.get_state(),
+            settlement = settlement_filter.get_state(),
+            session_low = session_low_filter.get_state(),
+            session_high = session_high_filter.get_state(),
+            position = position_filter.get_state(),
+            working_bid_volume = working_bid_volume_filter.get_state(),
+            working_ask_volume = working_ask_volume_filter.get_state(),
+            volume = volume_filter.get_state(),
+            security_key = security_key_filter.get_state()
+         };
+      }
+      #endregion
+
+      protected override Row row_factory(SecurityMD smd) => new Row(_bus, smd, _orders_model);
+      protected override void on_row_removed(Row row) => row.Dispose();
+      protected override IEnumerable<SortingCriteria> get_default_sorting() { yield return new SortingCriteria(nameof(Row.security), true); }
+
+      void _refresh() {
+         foreach (var r in _row_vms) r.refresh();
+      }
+   }
+}
@@ -0,0 +1,43 @@
+<UserControl
+  x:Class="mbts.ui.spark.MarketViewView"
+  x:ClassModifier="internal"
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  xmlns:c="clr-namespace:mbts.ui.controls"
+  xmlns:usp="clr-namespace:mbts.ui.spark"
+  FocusManager.IsFocusScope="True"
+  Background="{StaticResource CommonBackground}"
+>
+  <UserControl.Resources>
+    <ResourceDictionary>
+      <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="/view/Controls/DataGridEx/Filters/Views/FilterTemplates.xaml"/>
+      </ResourceDictionary.MergedDictionaries>
+    </ResourceDictionary>
+  </UserControl.Resources>
+  <AdornerDecorator>
+    <c:DIYGrid
+      x:Name="_grid"
+      Columns="{Binding columns}"
+      CurrentRow="{Binding current_row}"
+      Rows="{Binding rows_view}"
+    >
+      <c:DIYGrid.InputBindings>
+        <MouseBinding MouseAction="LeftDoubleClick" Command="{x:Static c:DIYGrid.DefaultRowCommand}"/>
+        <KeyBinding Key="Return" Command="{x:Static c:DIYGrid.DefaultRowCommand}"/>
+      </c:DIYGrid.InputBindings>
+      <c:DIYGrid.CommandBindings>
+        <CommandBinding
+          Command="{x:Static c:DIYGrid.DefaultRowCommand}"
+          Executed="{x:Static c:DIYGrid.DefaultRowActionExecuted}"
+          CanExecute="{x:Static c:DIYGrid.DefaultRowActionCanExecute}"
+        />
+      </c:DIYGrid.CommandBindings>
+      <c:DIYGrid.RowTemplate>
+        <DataTemplate>
+          <usp:MarketViewRowView usp:GridAnimation.RowAnimation="{Binding animations}"/>
+        </DataTemplate>
+      </c:DIYGrid.RowTemplate>
+    </c:DIYGrid>
+  </AdornerDecorator>
+</UserControl>
@@ -0,0 +1,23 @@
+using mbts.spark;
+using mbts.ui.controls;
+using System.Linq;
+using System.Windows.Controls;
+
+namespace mbts.ui.spark {
+   /// <summary>
+   /// Interaction logic for MarketSheetsView.xaml
+   /// </summary>
+   partial class MarketViewView : UserControl {
+      public enum Columns { Security, Volume, Last, LastSize, Position, WorkingBids, Bid, BidSize, Ask, AskSize, WorkingAsks, Settlement, DayChange, SessionLow, SessionHigh, SecurityKey }
+
+      public MarketViewView() {
+         InitializeComponent();
+         AdornerHelper.attach_continuously_on_loaded(
+            () => new GridAnimation.DIYGridAnimationAdorner<Columns>(
+               _grid, _grid.descendants_of_type<DIYGridRowsPresenter>().First()),
+            _grid);
+      }
+   }
+
+   class MarketViewRowView : DIYGrid.HighPerformanceRow<MarketViewVM.Row, MarketViewView.Columns> { }
+}
@@ -0,0 +1,70 @@
+using bts.api;
+using bts.shell;
+using bts.spark;
+using mbts.ui;
+using mbts.ui.spark;
+using mbts.utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reactive.Linq;
+using System.Windows;
+
+namespace mbts.spark {
+   class MarketViewWindow : SparkWindow<MarketViewWindowFactory.StartupData>, ISharedWindow {
+      const string _window_type = "MarketView", _thread_id = "MarketView";
+      readonly OrdersModel _orders_model;
+      readonly AllowOnce _init_guard = new AllowOnce("MarketView");
+      MarketViewVM _vm;
+      MarketViewView _view;
+      MarketViewWindowFactory.StartupData _state;
+      IReadOnlyList<SparkCommand> _commands;
+      IDisposable _subscriptions;
+
+      public MarketViewWindow(MarketViewWindowFactory factory, IBus bus, OrdersModel orders_model, MarketViewWindowFactory.StartupData state)
+         : base("Market View", bus, factory, SparkCommands.ShowMarketView.icon) {
+         _orders_model = orders_model;
+         _state = state;
+         Icon.Freeze();
+      }
+
+      event Action<MarketViewWindowFactory.StartupData> _state_changed;
+
+      public override string window_type => _window_type;
+      public override UIElement Content => _view;
+      public override IEnumerable<SparkCommand> Commands => _commands;
+      public override MarketViewWindowFactory.StartupData SaveState => _state = new MarketViewWindowFactory.StartupData(_state.security_criteria, _vm.rows_view.GetSortingCriteria(), _vm.get_filter_states());
+      public override double MinWidth => 1035 + SPARK_MENU_COLLAPSED_WIDTH + LAUNCHER_BUTTON_BORDER_WIDTH;
+      public string thread_id => _thread_id;
+
+      public void thread_init() {
+         _init_guard.check_access();
+         Logger.notnull(_state);
+         var state_src = Observable.FromEvent<Action<MarketViewWindowFactory.StartupData>, MarketViewWindowFactory.StartupData>(cb => _state_changed += cb, cb => _state_changed -= cb).StartWith(_state);
+         _vm = new MarketViewVM(_bus, _orders_model, state_src);
+         _view = new MarketViewView { DataContext = _vm };
+         var update_securities_tag = new SparkTags.SparkTag<SecurityCriteria>("MarketView Callback");
+         var update_securities_cmd = SparkCommand.create("Update Market View", Icon, update_securities_tag);
+         _commands = new List<SparkCommand> {
+            SparkCommand.create("Change Securities", Icons.Admin, SparkTags.ShowAndEditPickMultiple, () => (update_securities_cmd, _state.security_criteria)),
+            SparkCommands.ShowLadders.complete(_vm.selected_security_mds_observable(), smds => smds.Count > 0),
+            SparkCommands.ShowOrderTicketFromSecurity.complete(_vm.current_security_md, md => md.HasValue, ObjectHelper.ValueOrDefault),
+            SparkCommands.ShowFills.complete(_vm.selected_securities_observable(), _ => true,
+               secs => new FillsWindowFactory.StartupData(new FillsWindowFactory.FilterStates {
+                  security = secs.Count > 0 ? new SecurityCriteria(secs) : _state.security_criteria
+               })
+            ),
+            SparkCommands.ShowTimeAndSales.complete(_vm.selected_securities_observable(), _ => true, secs => secs.Count > 0 ? new SecurityCriteria(secs) : _state.security_criteria),
+            SparkCommands.ShowSyntheticCreate.complete(_vm.selected_securities_observable(), secs => secs.Count > 0 && secs.Count < 3, secs => new SecurityCriteria(secs))
+         };
+         _subscriptions = _bus.subscribe(update_securities_tag).ObserveOnDispatcher().Subscribe(c =>
+            _state_changed?.Invoke(_state = new MarketViewWindowFactory.StartupData(c, _vm.rows_view.GetSortingCriteria(), _vm.get_filter_states())));
+      }
+
+      public override void Dispose() {
+         Disposable.dispose(ref _subscriptions);
+         _vm.Dispose();
+         Commands.OfType<IDisposable>().DisposeAll();
+      }
+   }
+}
@@ -0,0 +1,89 @@
+using bts.api;
+using mbts.spark;
+using mbts.spark.filters;
+using mbts.ui;
+using ProtoBuf;
+using System;
+using System.Collections.Generic;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+
+namespace bts.shell {
+   class MarketViewWindowFactory : ShellWindowFactory<MarketViewWindowFactory.StartupData> {
+      readonly IBus _bus;
+      readonly OrdersModel _orders_model;
+
+      public MarketViewWindowFactory(MarketShellModule module, IBus bus, OrdersModel orders_model) : base(module, "MarketView") {
+         _bus = bus;
+         _orders_model = orders_model;
+         _dispose = bus.subscribe(SparkTags.ShowMarketViewTag).ObserveOnDispatcher().Subscribe(_show);
+      }
+
+      public override Task<IShellWindow> load(StartupData state) =>
+         Task.FromResult(_create(state));
+
+      void _show(SecurityCriteria criteria) =>
+         _bus.post(SparkTags.ShowWindow, _create(new StartupData(criteria, new List<SortingCriteria> { new SortingCriteria(nameof(MarketViewVM.Row.security), true) }, null)));
+
+      IShellWindow _create(StartupData state) => new MarketViewWindow(this, _bus, _orders_model, state);
+
+      [ProtoContract]
+      public class StartupData {
+         public const int Version = 1;
+
+         [ProtoMember(1)]
+         public readonly SecurityCriteria security_criteria;
+         [ProtoMember(2)]
+         public readonly List<SortingCriteria> sorting_criteria;
+         [ProtoMember(3)]
+         public readonly FilterStates filters;
+
+         StartupData() { }
+
+         public StartupData(SecurityCriteria security_criteria)
+            : this (security_criteria, new List<SortingCriteria>(), null) { }
+
+         public StartupData(SecurityCriteria security_criteria, List<SortingCriteria> sorting_criteria, FilterStates filters) {
+            this.security_criteria = security_criteria;
+            this.sorting_criteria = sorting_criteria;
+            this.filters = filters;
+         }
+      }
+
+      [ProtoContract]
+      public class FilterStates {
+         [ProtoMember(1)]
+         public string security;
+         [ProtoMember(2)]
+         public DoubleMinMaxState bid_price;
+         [ProtoMember(3)]
+         public UShortMinMaxState bid_size;
+         [ProtoMember(4)]
+         public DoubleMinMaxState ask_price;
+         [ProtoMember(5)]
+         public UShortMinMaxState ask_size;
+         [ProtoMember(6)]
+         public DoubleMinMaxState last_price;
+         [ProtoMember(7)]
+         public UShortMinMaxState last_size;
+         [ProtoMember(8)]
+         public DoubleMinMaxState day_change;
+         [ProtoMember(9)]
+         public DoubleMinMaxState settlement;
+         [ProtoMember(10)]
+         public DoubleMinMaxState session_low;
+         [ProtoMember(11)]
+         public DoubleMinMaxState session_high;
+         [ProtoMember(12)]
+         public IntMinMaxState position;
+         [ProtoMember(13)]
+         public IntMinMaxState working_bid_volume;
+         [ProtoMember(14)]
+         public IntMinMaxState working_ask_volume;
+         [ProtoMember(15)]
+         public ULongMinMaxState volume;
+         [ProtoMember(16)]
+         public string security_key;
+      }
+   }
+}
@@ -0,0 +1,99 @@
+using bts.api;
+using bts.co2;
+using mbts.co2;
+using mbts.collections.extensions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reactive.Linq;
+
+namespace mbts.spark {
+   struct TradeInfo {
+      public readonly SecurityImmutable security;
+      public readonly TradeMessageImmutable trade;
+
+      public TradeInfo(SecurityImmutable security, TradeMessageImmutable trade) {
+         this.security = security;
+         this.trade = trade;
+      }
+   }
+
+   class TimeAndSalesModel {
+      static readonly TimeSpan _poll_interval = TimeSpan.FromSeconds(0.4);
+
+      public TimeAndSalesModel(IBus bus, MDConsumer consumer, SecurityCriteria security_criteria) {
+         trades = security_criteria.subscribe_md_map(bus)
+            .Scan(new Dictionary<ChannelKey, ChannelConsumer>(),
+               (cache, md_map) => {
+                  var copy = new Dictionary<ChannelKey, ChannelConsumer>(cache);
+                  copy.sync_with_demux(md_map, get_channel_key, get_channel_consumer, update_channel_consumer);
+                  return copy;
+               }
+            ).Select(cache =>
+               Observable.Interval(_poll_interval)
+               .Select(_ => new List<TradeInfo>(cache.Values.SelectMany(c => c.read_trades())))
+            ).SelectMany(_ => _);
+
+         ChannelKey get_channel_key(KeyValuePair<uint, SecurityMD> md_kv) =>
+            new ChannelKey(md_kv.Value.security.Symbol, md_kv.Value.security.security_type(), md_kv.Value.security.Exchange);
+
+         ChannelConsumer get_channel_consumer(IGrouping<ChannelKey, KeyValuePair<uint, SecurityMD>> channel_sec_group) {
+            var key = channel_sec_group.Key;
+            var rv = new ChannelConsumer(consumer.get_channel(key.symbol, key.type, key.exchange));
+            rv.set_securities(channel_sec_group);
+            return rv;
+         }
+
+         void update_channel_consumer(KeyValuePair<ChannelKey, ChannelConsumer> channel_kv, IEnumerable<KeyValuePair<uint, SecurityMD>> security_kvs) =>
+            channel_kv.Value.set_securities(security_kvs);
+      }
+
+      public IObservable<IReadOnlyList<TradeInfo>> trades { get; }
+
+      private class ChannelKey : IEquatable<ChannelKey> {
+         public readonly string symbol;
+         public readonly SecurityType type;
+         public readonly Venue exchange;
+
+         public ChannelKey(string symbol, SecurityType type, Venue exchange) {
+            this.symbol = symbol;
+            this.type = type;
+            this.exchange = exchange;
+         }
+
+         public bool Equals(ChannelKey other) =>
+            other != null &&
+            other.symbol == symbol &&
+            other.type == type &&
+            other.exchange == exchange;
+
+         public override bool Equals(object obj) =>
+            Equals(obj as ChannelKey);
+
+         public override int GetHashCode() =>
+            symbol.GetHashCode() ^
+            type.GetHashCode() ^
+            exchange.GetHashCode();
+      }
+
+      private class ChannelConsumer {
+         readonly MDConsumerChannel _channel;
+         Dictionary<uint, SecurityImmutable> _securities = new Dictionary<uint, SecurityImmutable>();
+         long _cursor = 0;
+
+         public ChannelConsumer(MDConsumerChannel channel) =>
+            _channel = channel;
+
+         public void set_securities(IEnumerable<KeyValuePair<uint, SecurityMD>> securities) =>
+            _securities = securities.ToDictionary(kv => kv.Key, kv => kv.Value.security);
+
+         public IEnumerable<TradeInfo> read_trades() {
+            var copy = _securities;
+            foreach (var tm in _channel.read_trades(ref _cursor)) {
+               if (copy.TryGetValue(tm.Key, out SecurityImmutable sec))
+                  yield return new TradeInfo(sec, tm);
+            }
+         }
+      }
+   }
+}
@@ -0,0 +1,136 @@
+using bts.api;
+using bts.co2;
+using mbts.spark.filters;
+using mbts.ui;
+using mbts.ui.controls;
+using mbts.ui.spark;
+using mbts.ui.utility;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using static bts.shell.TimeAndSalesWindowFactory;
+
+namespace mbts.spark {
+   class TimeAndSalesVM : SecurityGrid<TimeAndSalesVM.Row, TradeInfo> {
+      readonly IBus _bus;
+
+      public TimeAndSalesVM(IBus bus, TimeAndSalesModel model, IReadOnlyCollection<SortingCriteria> sorting_criteria, FilterStates filters)
+         : base(RXCollection.CreateBuffer(model.trades, 1000), sorting_criteria) {
+         _bus = bus;
+         show_ladder = DelegateCommandParamObserver.Create(current_row_observable, r => _show_ladder_async(r).ignore(), r => r != null);
+         security_filter = new RegexFilterVM<Row>(r => r.security.ToString(), nameof(Row.security));
+         if (filters != null) {
+            time_filter.load_state(filters.time);
+            security_filter.load_state(filters.security);
+            price_filter.load_state(filters.price);
+            size_filter.load_state(filters.size);
+            trade_key_filter.load_state(filters.trade_key);
+            security_key_filter.load_state(filters.security_key);
+         }
+         // Columns
+         add_column(TimeAndSalesView.Columns.Security, "Security", DIYGrid.DefaultColumnWidths.Security, security_filter, DataGridFilterKnownTemplates.Regex);
+         add_column(TimeAndSalesView.Columns.Time, "Time", DIYGrid.DefaultColumnWidths.Time, time_filter, DataGridFilterKnownTemplates.TimeFilter);
+         add_column(TimeAndSalesView.Columns.Price, "Price", DIYGrid.DefaultColumnWidths.Price, price_filter, DataGridFilterKnownTemplates.DoubleMinMax);
+         add_column(TimeAndSalesView.Columns.Size, "Size", DIYGrid.DefaultColumnWidths.Size, size_filter, DataGridFilterKnownTemplates.UIntMinMax);
+         add_column(TimeAndSalesView.Columns.TradeKey, "Trade Key", DIYGrid.DefaultColumnWidths.TradeKey, trade_key_filter, DataGridFilterKnownTemplates.Regex);
+         add_column(TimeAndSalesView.Columns.SecurityKey, "Security Key", DIYGrid.DefaultColumnWidths.SecurityKey, security_key_filter, DataGridFilterKnownTemplates.Regex);
+         void add_column(TimeAndSalesView.Columns col_key, string header, double width, IDataGridColumnFilter filter, string filter_template) =>
+            columns.Add(new DIYGrid.RenderTextColumn<Row>(r => r[col_key], filter, filter_template) { Header = header, Width = width });
+         //
+         _resources.AddRange(
+            show_ladder,
+            DataGridFilterHelper.hook_filters(
+               rows_view, time_filter, security_filter, price_filter, size_filter, trade_key_filter, security_key_filter
+             )
+          );
+      }
+
+      public ObservableCollection<DIYGrid.ColumnBase> columns { get; } = new ObservableCollection<DIYGrid.ColumnBase>();
+      public DelegateCommandParamObserver<Row> show_ladder { get; }
+
+      #region Filters
+      public IDataGridColumnPersistentFilter<Row, TimeFilterTuple> time_filter { get; } = new TimeFilterVM<Row>(r => r.time, nameof(Row.time));
+      public IDataGridColumnPersistentFilter<Row, string> security_filter { get; }
+      public IDataGridColumnPersistentFilter<Row, DoubleMinMaxState> price_filter { get; } = new DoubleMinMax<Row>(r => r.price, nameof(Row.price));
+      public IDataGridColumnPersistentFilter<Row, UIntMinMaxState> size_filter { get; } = new UIntMinMax<Row>(r => r.size, nameof(Row.size));
+      public IDataGridColumnPersistentFilter<Row, string> security_key_filter { get; } = new RegexFilterVM<Row>(r => r.security_key.ToString(), nameof(Row.security_key));
+      public IDataGridColumnPersistentFilter<Row, string> trade_key_filter { get; } = new RegexFilterVM<Row>(r => r.trade_key.ToString(), nameof(Row.trade_key));
+
+      public FilterStates get_filter_states() =>
+         new FilterStates {
+            time = time_filter.get_state(),
+            security = security_filter.get_state(),
+            price = price_filter.get_state(),
+            size = size_filter.get_state(),
+            trade_key = trade_key_filter.get_state(),
+            security_key = security_key_filter.get_state()
+         };
+      #endregion
+
+      protected override IEnumerable<SortingCriteria> get_default_sorting() {
+         yield return new SortingCriteria(nameof(Row.time), false);
+      }
+
+      protected override Row row_factory(TradeInfo row_model) =>
+         new Row(this, row_model.security, row_model.trade);
+
+
+      async Task _show_ladder_async(Row row) {
+         var smd_lookup = await SparkUtils.get_security_md_async(_bus, row.security.Id);
+         if (smd_lookup.success) _bus.post(SparkTags.ShowLadderTag, smd_lookup.result);
+      }
+
+      public class Row : SecurityRow, DIYGrid.IRowVM {
+         readonly uint _trade_key;
+
+         readonly string
+            _security_text,
+            _time_text,
+            _price_text,
+            _size_text,
+            _trade_key_text,
+            _security_key_text;
+
+         public Row(TimeAndSalesVM parent, SecurityImmutable security, TradeMessageImmutable trade) : base(security) {
+            _trade_key = trade.Key;
+            time = trade.Time.lldatetime();
+            price = trade.Mantissa * Math.Pow(10, trade.Exponent);
+            size = trade.Size;
+            show_ladder = new DelegateCommand(() => parent._show_ladder_async(this).ignore());
+            _security_text = security.ToString();
+            _time_text = time.ToString("M/d h:mm:ss tt");
+            _price_text = security.ContractSpec.format(price);
+            _size_text = size.ToString();
+            _trade_key_text = _trade_key.ToString();
+            _security_key_text = security_key.ToString();
+         }
+
+         public event Action invalidated;
+
+         public uint trade_key => _trade_key;
+         public DateTime time { get; }
+         public double price { get; }
+         public uint size { get; }
+         public ICommand show_ladder { get; }
+
+         public string this[TimeAndSalesView.Columns col] {
+            get {
+               switch (col) {
+                  case TimeAndSalesView.Columns.Security: return _security_text;
+                  case TimeAndSalesView.Columns.Time: return _time_text;
+                  case TimeAndSalesView.Columns.Price: return _price_text;
+                  case TimeAndSalesView.Columns.Size: return _size_text;
+                  case TimeAndSalesView.Columns.TradeKey: return _trade_key_text;
+                  case TimeAndSalesView.Columns.SecurityKey: return _security_key_text;
+                  default: return null;
+               }
+            }
+         }
+
+         void _invalidate() =>
+            invalidated?.Invoke();
+      }
+   }
+}
@@ -0,0 +1,41 @@
+<UserControl
+  x:Class="mbts.ui.spark.TimeAndSalesView"
+  x:ClassModifier="internal"
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  xmlns:c="clr-namespace:mbts.ui.controls"
+  xmlns:usp="clr-namespace:mbts.ui.spark"
+  FocusManager.IsFocusScope="True"
+  Background="{StaticResource CommonBackground}"
+>
+  <UserControl.Resources>
+    <ResourceDictionary>
+      <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary Source="/view/Resources/Converters.xaml"/>
+        <ResourceDictionary Source="/view/Controls/DataGridEx/Filters/Views/FilterTemplates.xaml"/>
+      </ResourceDictionary.MergedDictionaries>
+    </ResourceDictionary>
+  </UserControl.Resources>
+  <AdornerDecorator>
+    <Grid>
+      <c:DIYGrid Columns="{Binding columns}" Rows="{Binding rows_view}" CurrentRow="{Binding current_row}">
+        <c:DIYGrid.InputBindings>
+          <MouseBinding MouseAction="LeftDoubleClick" Command="{x:Static c:DIYGrid.DefaultRowCommand}"/>
+          <KeyBinding Key="Return" Command="{x:Static c:DIYGrid.DefaultRowCommand}"/>
+        </c:DIYGrid.InputBindings>
+        <c:DIYGrid.CommandBindings>
+          <CommandBinding
+            Command="{x:Static c:DIYGrid.DefaultRowCommand}"
+            Executed="{x:Static c:DIYGrid.DefaultRowActionExecuted}"
+            CanExecute="{x:Static c:DIYGrid.DefaultRowActionCanExecute}"
+          />
+        </c:DIYGrid.CommandBindings>
+        <c:DIYGrid.RowTemplate>
+          <DataTemplate>
+            <usp:TimeAndSalesRowView/>
+          </DataTemplate>
+        </c:DIYGrid.RowTemplate>
+      </c:DIYGrid>
+    </Grid>
+  </AdornerDecorator>
+</UserControl>
@@ -0,0 +1,17 @@
+using mbts.spark;
+using mbts.ui.controls;
+using System.Windows.Controls;
+
+namespace mbts.ui.spark {
+   /// <summary>
+   /// Interaction logic for TimeAndSalesView.xaml
+   /// </summary>
+   partial class TimeAndSalesView : UserControl {
+      public enum Columns { Time, Security, Price, Size, OrderType, TradeKey, SecurityKey }
+
+      public TimeAndSalesView() =>
+         InitializeComponent();
+   }
+
+   class TimeAndSalesRowView : DIYGrid.HighPerformanceRow<TimeAndSalesVM.Row, TimeAndSalesView.Columns> { }
+}
@@ -0,0 +1,90 @@
+using bts.api;
+using bts.shell;
+using bts.spark;
+using mbts.co2;
+using mbts.ui;
+using mbts.ui.spark;
+using mbts.utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reactive.Linq;
+using System.Windows;
+using System.Windows.Media;
+using static bts.shell.TimeAndSalesWindowFactory;
+
+namespace mbts.spark {
+   class TimeAndSalesWindow : SparkWindow<StartupData>, ISlowWindow {
+      const string _window_type = "TimeAndSales";
+      readonly MDConsumer _consumer;
+      readonly TimeAndSalesWindowFactory _factory;
+      SingleValuePump<TimeAndSalesVM> _vm;
+      StartupData _state;
+      TimeAndSalesView _view;
+      SparkCommand[] _commands;
+      IDisposable _subscriptions;
+
+      public TimeAndSalesWindow(TimeAndSalesWindowFactory factory, IBus bus, MDConsumer consumer, StartupData state, ImageSource icon)
+         : base("Time And Sales", bus, factory, SparkCommands.ShowTimeAndSales.icon) {
+         Logger.assert(state != null);
+         _consumer = consumer;
+         _factory = factory;
+         _state = state;
+         Icon.Freeze();
+      }
+
+      public override string window_type => _window_type;
+      public override IEnumerable<SparkCommand> Commands => _commands;
+      public override UIElement Content => _view;
+      public override double MinWidth => 444 + SPARK_MENU_COLLAPSED_WIDTH + LAUNCHER_BUTTON_BORDER_WIDTH;
+      public override StartupData SaveState => _state = new StartupData(_state.security_criteria, _vm.value.rows_view.GetSortingCriteria(), _vm.value.get_filter_states());
+
+      public override void Dispose() =>
+         _dispose_resources();
+
+      public void thread_init() {
+         _dispose_resources();
+         _vm = new SingleValuePump<TimeAndSalesVM>();
+         var update_securities_tag = new SparkTags.SparkTag<SecurityCriteria>("TimeAndSales Callback");
+         var update_securities_cmd = SparkCommand.create("Update Time and Sales", Icon, update_securities_tag);
+         var current_smd_source = _vm.observable.SelectMany(vm => vm.current_security_md_observable(_bus)).ObserveOnDispatcher();
+         var selected_secs_source = _vm.observable.SelectMany(vm => vm.selected_securities_observable()).ObserveOnDispatcher();
+         _commands = new SparkCommand[] {
+            SparkCommand.create("Change Securities", Icons.Admin, SparkTags.ShowAndEditPickMultiple, () => (update_securities_cmd, _state.security_criteria)),
+            SparkCommands.ShowLadder.complete(current_smd_source, md => md.HasValue, ObjectHelper.ValueOrDefault),
+            SparkCommands.ShowOrderTicketFromSecurity.complete(current_smd_source, md => md.HasValue, ObjectHelper.ValueOrDefault),
+            SparkCommands.ShowFills.complete(selected_secs_source, always_true, get_fills_startup_data),
+            SparkCommands.ShowMarketView.complete(selected_secs_source, always_true, secs => secs.Count > 0 ? new SecurityCriteria(secs) : _state.security_criteria)
+         };
+         _subscriptions = _bus.subscribe(update_securities_tag).ObserveOnDispatcher().Subscribe(update_criteria);
+         _initialize();
+
+         bool always_true<T>(T _) => true;
+         FillsWindowFactory.StartupData get_fills_startup_data(IReadOnlyList<SecurityImmutable> secs) =>
+            new FillsWindowFactory.StartupData(new FillsWindowFactory.FilterStates {
+               security = secs.Count > 0 ? new SecurityCriteria(secs) : _state.security_criteria
+            });
+         void update_criteria(SecurityCriteria c) {
+            _state = new StartupData(c, _vm.value.rows_view.GetSortingCriteria(), _vm.value.get_filter_states());
+            _initialize();
+         }
+      }
+
+      void _dispose_resources() {
+         Disposable.dispose(ref _subscriptions);
+         Disposable.dispose(ref _vm);
+         if (_commands != null) {
+            _commands.OfType<IDisposable>().DisposeAll();
+            _commands = null;
+         }
+      }
+
+      void _initialize() {
+         var model = new TimeAndSalesModel(_bus, _consumer, _state.security_criteria);
+         _vm.value = new TimeAndSalesVM(_bus, model, _state.sorting_criteria, _state.filters);
+         if (_view == null)
+            _view = new TimeAndSalesView();
+         _view.DataContext = _vm.value;
+      }
+   }
+}
@@ -0,0 +1,75 @@
+using bts.api;
+using bts.spark;
+using mbts;
+using mbts.co2;
+using mbts.spark;
+using mbts.spark.filters;
+using mbts.ui;
+using ProtoBuf;
+using System;
+using System.Collections.Generic;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+
+namespace bts.shell {
+   class TimeAndSalesWindowFactory : ShellWindowFactory<TimeAndSalesWindowFactory.StartupData> {
+      readonly IBus _bus;
+      readonly MDConsumer _consumer;
+      IReadOnlyDictionary<uint, SecurityMD> _securities = new Dictionary<uint, SecurityMD>();
+
+      public TimeAndSalesWindowFactory(IShellModule module, IBus bus, MDConsumer consumer) : base(module, "TimeAndSales") {
+         _bus = bus;
+         _consumer = consumer;
+
+         _dispose = Disposable.Create(
+            bus.subscribe(SparkTags.SecuritiesTag).Subscribe(s => _securities = s),
+            bus.subscribe(SparkTags.ShowTimeAndSalesTag).ObserveOnDispatcher().Subscribe(show)
+         );
+      }
+
+      public override Task<IShellWindow> load(StartupData state) =>
+         Task.FromResult<IShellWindow>(new TimeAndSalesWindow(this, _bus, _consumer, state, SparkCommands.PickTimeAndSales.icon));
+
+      public async void show(SecurityCriteria criteria) {
+         var w = await load(new StartupData(criteria));
+         _bus.post(SparkTags.ShowWindow, w);
+      }
+
+      [ProtoContract]
+      public class StartupData {
+         [ProtoMember(1)]
+         public readonly SecurityCriteria security_criteria;
+         [ProtoMember(2)]
+         public readonly List<SortingCriteria> sorting_criteria;
+         [ProtoMember(3)]
+         public FilterStates filters;
+
+         StartupData() { }//for ptorobuf
+
+         public StartupData(SecurityCriteria security_criteria)
+            : this (security_criteria, new List<SortingCriteria>(), null) { }
+
+         public StartupData(SecurityCriteria security_criteria, List<SortingCriteria> sorting_criteria, FilterStates filters) {
+            this.security_criteria = security_criteria;
+            this.sorting_criteria = sorting_criteria;
+            this.filters = filters;
+         }
+      }
+
+      [ProtoContract]
+      public class FilterStates {
+         [ProtoMember(1)]
+         public TimeFilterTuple time;
+         [ProtoMember(2)]
+         public string security;
+         [ProtoMember(3)]
+         public DoubleMinMaxState price;
+         [ProtoMember(4)]
+         public UIntMinMaxState size;
+         [ProtoMember(5)]
+         public string trade_key;
+         [ProtoMember(6)]
+         public string security_key;
+      }
+   }
+}
@@ -0,0 +1,58 @@
+using mbts;
+using mbts.ui;
+using mbts.ui.shell;
+using mbts.spark;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using bts.spark;
+using System.IO;
+using System.Windows.Media;
+using bts.api;
+using System.ComponentModel.Composition;
+
+
+namespace bts.ui {
+   [Export(typeof(IShellModule))]
+   class SettingsShellModule : IShellModule {
+      readonly IBus _bus;
+      IDisposable _dispose;
+
+      WorkspacesModel ws_model;
+
+      [ImportingConstructor]
+      public SettingsShellModule(IBus bus, WorkspacesModel ws) {
+         // todo: settings dialog
+         ws_model = ws;
+         _dispose = bus.subscribe(SparkTags.ShowWorkspaces).Subscribe(_ => show_workspaces_dialog());
+
+         _bus = bus;
+      }
+      public ImageSource icon => Icons.Admin;
+
+      public string name => "Settings";
+
+      public int priority => 40;
+
+      public IEnumerable<SparkCommand> actions => new []{
+         SparkCommands.ShowWorkspaces
+         //SparkCommands.ShowSettings
+      };
+
+      public Task<IShellWindow> create(Stream load_stream) {
+         throw new NotImplementedException();
+      }
+
+      public void show_workspaces_dialog()
+      {
+         WorkspacesDialogView ws_dialog = new WorkspacesDialogView(ws_model);
+         ws_dialog.Show();
+      }
+
+
+
+      public void Dispose() { 
+         Disposable.dispose(ref _dispose);
+      }
+   }
+}
@@ -0,0 +1,436 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:sp="clr-namespace:bts.spark;assembly=spark_api"
+                    xmlns:msp="clr-namespace:mbts.spark"
+                    xmlns:u="clr-namespace:mbts.ui"
+                    xmlns:c="clr-namespace:mbts.ui.controls"
+                    xmlns:cv="clr-namespace:mbts.ui.converters"
+                    xmlns:usp="clr-namespace:mbts.ui.spark"
+                    xmlns:sys="clr-namespace:System;assembly=mscorlib">
+  <ResourceDictionary.MergedDictionaries>
+    <ResourceDictionary Source="/view/Resources/Converters.xaml"/>
+    <ResourceDictionary Source="/view/Resources/ComboBoxes.xaml"/>
+    <ResourceDictionary Source="/view/Resources/DataGrid.xaml"/>
+    <ResourceDictionary Source="/view/Resources/DataTemplates.xaml"/>
+    <ResourceDictionary Source="/view/Controls/Popup/PopupControl.xaml"/>
+    <ResourceDictionary Source="/Modules/Spreader/ParameterSectionView.xaml"/>
+  </ResourceDictionary.MergedDictionaries>
+  <sys:Double x:Key="GroupLevelIndent">18</sys:Double>
+  <sys:Double x:Key="RowHeaderWidth">285</sys:Double>
+  <sys:Double x:Key="RowHeight">16</sys:Double>
+  <sys:Double x:Key="NegativeRowHeight">-16</sys:Double>
+  <sys:Double x:Key="ItemsHostCanBeDisabledCollapsedHeight">15</sys:Double>
+  <Thickness
+    x:Key="GroupLevelMargin"
+    Left="{StaticResource GroupLevelIndent}"
+  />
+  <Thickness
+    x:Key="GroupContentAlignedWithHeaderMargin"
+    Left="{StaticResource GroupLevelIndent}"
+    Top="{StaticResource NegativeRowHeight}"
+  />
+  <cv:SyntheticPriceCalcDisplayTextConverter x:Key="SyntheticPriceCalcDisplayConverter"/>
+  <cv:TickFactorsTextConverter x:Key="TickFactorsTextConverter"/>
+  <usp:RowHeaderGroupIndentConverter
+    x:Key="RowHeaderGroupIndentConverter"
+    Indent="{StaticResource GroupLevelIndent}"
+  />
+  <usp:RowHeaderGroupIndentConverter
+    x:Key="ReverseRowHeaderGroupIndentConverter"
+    Indent="{StaticResource GroupLevelIndent}"
+    Reverse="True"
+  />
+  <usp:RowGroupExpanderWidthConverter
+    x:Key="RowGroupExpanderWidthConverter"
+    Indent="{StaticResource GroupLevelIndent}"
+    Offset="{StaticResource RowHeight}"
+    RowHeaderWidth="{StaticResource RowHeaderWidth}"
+  />
+  <usp:DataGridParameterCellTemplateConverter x:Key="ParameterCellTemplateConverter">
+    <usp:DataGridParameterCellTemplateConverter.BooleanTemplate>
+      <DataTemplate>
+        <CheckBox HorizontalAlignment="Left" IsChecked="{Binding value}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.BooleanTemplate>
+    <usp:DataGridParameterCellTemplateConverter.DoubleTemplate>
+      <DataTemplate>
+        <TextBlock Text="{Binding value}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.DoubleTemplate>
+    <usp:DataGridParameterCellTemplateConverter.IntTemplate>
+      <DataTemplate>
+        <TextBlock Text="{Binding value}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.IntTemplate>
+    <usp:DataGridParameterCellTemplateConverter.UIntTemplate>
+      <DataTemplate>
+        <TextBlock Text="{Binding value}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.UIntTemplate>
+    <usp:DataGridParameterCellTemplateConverter.QuantityMeasureTemplate>
+      <DataTemplate>
+        <Grid>
+          <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="3*"/>
+            <ColumnDefinition Width="2*"/>
+          </Grid.ColumnDefinitions>
+          <TextBlock x:Name="AbsoluteLabel" Text="{x:Static cv:QuantityMeasureCaseDisplayTextConverter.ABSOLUTE_TEXT}" FontSize="10" FontStyle="Italic"/>
+          <TextBlock x:Name="RatioLabel" Text="{x:Static cv:QuantityMeasureCaseDisplayTextConverter.RATIO_TEXT}" FontSize="10" FontStyle="Italic"/>
+          <TextBlock x:Name="AbsoluteValue" Grid.Column="1" HorizontalAlignment="Left" Text="{Binding absolute}"/>
+          <TextBlock x:Name="RatioValue" Grid.Column="1" HorizontalAlignment="Left" Text="{Binding ratio}"/>
+        </Grid>
+        <DataTemplate.Triggers>
+          <DataTrigger Binding="{Binding quantity_case}" Value="{u:Enum absolute, Type={u:Nested sp:QuantityMeasure.QuantityOneofCase}}">
+            <Setter Property="Visibility" TargetName="AbsoluteLabel" Value="Visible"/>
+            <Setter Property="Visibility" TargetName="AbsoluteValue" Value="Visible"/>
+            <Setter Property="Visibility" TargetName="RatioLabel" Value="Collapsed"/>
+            <Setter Property="Visibility" TargetName="RatioValue" Value="Collapsed"/>
+          </DataTrigger>
+          <DataTrigger Binding="{Binding quantity_case}" Value="{u:Enum Ratio, Type={u:Nested sp:QuantityMeasure.QuantityOneofCase}}">
+            <Setter Property="Visibility" TargetName="RatioLabel" Value="Visible"/>
+            <Setter Property="Visibility" TargetName="RatioValue" Value="Visible"/>
+            <Setter Property="Visibility" TargetName="AbsoluteLabel" Value="Collapsed"/>
+            <Setter Property="Visibility" TargetName="AbsoluteValue" Value="Collapsed"/>
+          </DataTrigger>
+        </DataTemplate.Triggers>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.QuantityMeasureTemplate>
+  </usp:DataGridParameterCellTemplateConverter>
+  <usp:DataGridParameterCellTemplateConverter x:Key="ParameterCellEditingTemplateConverter">
+    <usp:DataGridParameterCellTemplateConverter.BooleanTemplate>
+      <DataTemplate>
+        <CheckBox HorizontalAlignment="Left" IsChecked="{Binding value}" IsEnabled="{Binding enabled}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.BooleanTemplate>
+    <usp:DataGridParameterCellTemplateConverter.DoubleTemplate>
+      <DataTemplate>
+        <c:TickUpDownDouble Value="{Binding value}" IsEnabled="{Binding enabled}" Increment="{Binding tick_increment, FallbackValue={u:Double 1}}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.DoubleTemplate>
+    <usp:DataGridParameterCellTemplateConverter.IntTemplate>
+      <DataTemplate>
+        <c:TickUpDownInt Value="{Binding value}" IsEnabled="{Binding enabled}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.IntTemplate>
+    <usp:DataGridParameterCellTemplateConverter.UIntTemplate>
+      <DataTemplate>
+        <c:TickUpDownUInt Value="{Binding value}" IsEnabled="{Binding enabled}"/>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.UIntTemplate>
+    <usp:DataGridParameterCellTemplateConverter.QuantityMeasureTemplate>
+      <DataTemplate>
+        <Grid IsEnabled="{Binding enabled}">
+          <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="3*"/>
+            <ColumnDefinition Width="2*"/>
+          </Grid.ColumnDefinitions>
+          <ComboBox
+            VerticalAlignment="Center" Margin="-2,0,0,0" Padding="3,3,0,3"
+            ItemsSource="{u:EnumBindingSource {u:Nested sp:QuantityMeasure.QuantityOneofCase}, Except=None}"
+            SelectedItem="{Binding quantity_case}"
+          >
+            <ComboBox.ItemTemplate>
+              <DataTemplate>
+                <TextBlock Text="{Binding Converter={StaticResource QuantityMeasureCaseDisplayConverter}}" FontSize="10" FontStyle="Italic"/>
+              </DataTemplate>
+            </ComboBox.ItemTemplate>
+          </ComboBox>
+          <c:TickUpDownDouble x:Name="AbsoluteTickUpDown" Grid.Column="1" HorizontalAlignment="Stretch" Margin="0,0,-2,0" Value="{Binding absolute}"/>
+          <c:TickUpDownDouble x:Name="RatioTickUpDown" Grid.Column="1" HorizontalAlignment="Stretch" Value="{Binding ratio}"/>
+        </Grid>
+        <DataTemplate.Triggers>
+          <DataTrigger Binding="{Binding quantity_case}" Value="{u:Enum absolute, Type={u:Nested sp:QuantityMeasure.QuantityOneofCase}}">
+            <Setter Property="Visibility" TargetName="AbsoluteTickUpDown" Value="Visible"/>
+            <Setter Property="Visibility" TargetName="RatioTickUpDown" Value="Collapsed"/>
+          </DataTrigger>
+          <DataTrigger Binding="{Binding quantity_case}" Value="{u:Enum Ratio, Type={u:Nested sp:QuantityMeasure.QuantityOneofCase}}">
+            <Setter Property="Visibility" TargetName="RatioTickUpDown" Value="Visible"/>
+            <Setter Property="Visibility" TargetName="AbsoluteTickUpDown" Value="Collapsed"/>
+          </DataTrigger>
+        </DataTemplate.Triggers>
+      </DataTemplate>
+    </usp:DataGridParameterCellTemplateConverter.QuantityMeasureTemplate>
+  </usp:DataGridParameterCellTemplateConverter>
+  <Style x:Key="ExpanderToggleButton" TargetType="ToggleButton">
+    <Setter Property="Template">
+      <Setter.Value>
+        <ControlTemplate TargetType="ToggleButton">
+          <Grid Background="Transparent">
+            <Grid.ColumnDefinitions>
+              <ColumnDefinition Width="12" />
+              <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <Path
+              x:Name="arrow"
+              Data="M0,0L3.5,3.5 0,7"
+              HorizontalAlignment="Center"
+              Margin="0,5,0,0"
+              SnapsToDevicePixels="False"
+              Stroke="#77333333"
+              StrokeThickness="2"
+              VerticalAlignment="Top"
+            />
+            <ContentPresenter
+              Grid.Column="1"
+              ContentSource="{TemplateBinding Content}"
+              Margin="3,0,0,0"
+            />
+          </Grid>
+          <ControlTemplate.Triggers>
+            <Trigger Property="IsChecked" Value="True">
+              <Setter Property="Data" TargetName="arrow" Value="M0,0L3.5,3.5 7,0"/>
+            </Trigger>
+            <Trigger Property="IsMouseOver" Value="True">
+              <Setter Property="Stroke" TargetName="arrow" Value="Black"/>
+            </Trigger>
+            <Trigger Property="IsPressed" Value="True">
+              <Setter Property="Stroke" TargetName="arrow" Value="Black"/>
+            </Trigger>
+            <Trigger Property="IsEnabled" Value="False">
+              <Setter Property="Stroke" TargetName="arrow" Value="#FF707070"/>
+              <Setter Property="Foreground" Value="Gray"/>
+            </Trigger>
+          </ControlTemplate.Triggers>
+        </ControlTemplate>
+      </Setter.Value>
+    </Setter>
+  </Style>
+  <ControlTemplate x:Key="GroupItemTemplate" TargetType="GroupItem">
+    <Grid>
+      <Grid.RowDefinitions>
+        <RowDefinition Height="Auto"/>
+        <RowDefinition/>
+      </Grid.RowDefinitions>
+      <ToggleButton
+        x:Name="ExpanderToggle"
+        HorizontalAlignment="Left"
+        IsChecked="True"
+        Style="{StaticResource ExpanderToggleButton}"
+        Width="{Binding Name.level, Converter={StaticResource RowGroupExpanderWidthConverter}}"
+        Panel.ZIndex="1"
+      >
+        <usp:ParameterSectionView SectionTitle="{Binding Name.name}" Description="{Binding Name.description}"/>
+      </ToggleButton>
+      <ItemsPresenter x:Name="ItemsHost" Grid.Row="1" Margin="{StaticResource GroupLevelMargin}"/>
+    </Grid>
+    <ControlTemplate.Triggers>
+      <DataTrigger Binding="{Binding Name}" Value="{x:Null}">
+        <Setter Property="Visibility" TargetName="ExpanderToggle" Value="Collapsed"/>
+        <Setter Property="Margin" TargetName="ItemsHost" Value="0"/>
+      </DataTrigger>
+      <DataTrigger Binding="{Binding Name.can_be_disabled}" Value="{u:True}">
+        <Setter Property="Margin" TargetName="ItemsHost" Value="{StaticResource GroupContentAlignedWithHeaderMargin}"/>
+      </DataTrigger>
+      <MultiDataTrigger>
+        <MultiDataTrigger.Conditions>
+          <Condition Binding="{Binding IsChecked, ElementName=ExpanderToggle}" Value="False"/>
+          <Condition Binding="{Binding Name.can_be_disabled}" Value="{u:True}"/>
+        </MultiDataTrigger.Conditions>
+        <Setter Property="Height" TargetName="ItemsHost" Value="{StaticResource ItemsHostCanBeDisabledCollapsedHeight}"/>
+      </MultiDataTrigger>
+      <MultiDataTrigger>
+        <MultiDataTrigger.Conditions>
+          <Condition Binding="{Binding IsChecked, ElementName=ExpanderToggle}" Value="False"/>
+          <Condition Binding="{Binding Name.can_be_disabled}" Value="{u:False}"/>
+        </MultiDataTrigger.Conditions>
+        <Setter Property="Visibility" TargetName="ItemsHost" Value="Collapsed"/>
+      </MultiDataTrigger>
+    </ControlTemplate.Triggers>
+  </ControlTemplate>
+  <Style x:Key="GroupItemStyle" TargetType="GroupItem">
+    <Setter Property="Template" Value="{StaticResource GroupItemTemplate}"/>
+  </Style>
+  <ControlTemplate x:Key="DataGridRowTemplate" TargetType="DataGridRow">
+    <Border
+      x:Name="DGR_Border"
+      BorderBrush="{TemplateBinding BorderBrush}"
+      BorderThickness="{TemplateBinding BorderThickness}"
+      Background="{TemplateBinding Background}"
+      SnapsToDevicePixels="True"
+    >
+      <SelectiveScrollingGrid Margin="{Binding section_count, Converter={StaticResource ReverseRowHeaderGroupIndentConverter}}">
+        <SelectiveScrollingGrid.ColumnDefinitions>
+          <ColumnDefinition Width="Auto"/>
+          <ColumnDefinition/>
+        </SelectiveScrollingGrid.ColumnDefinitions>
+        <DataGridRowHeader
+          Background="Transparent"
+          Padding="{Binding section_count, Converter={StaticResource RowHeaderGroupIndentConverter}}"
+          Content="{Binding display_name}"
+          SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical"
+          Visibility="{Binding
+            HeadersVisibility,
+            ConverterParameter={x:Static DataGridHeadersVisibility.Row},
+            Converter={x:Static DataGrid.HeadersVisibilityConverter},
+            RelativeSource={RelativeSource AncestorType=DataGrid}}"
+        />
+        <DataGridCellsPresenter Grid.Column="1" ItemsPanel="{TemplateBinding ItemsPanel}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+      </SelectiveScrollingGrid>
+    </Border>
+    <ControlTemplate.Triggers>
+      <Trigger Property="usp:ExecutionStrategyEditor.RowHasErrors" Value="True">
+        <Setter Property="BorderBrush" Value="Red"/>
+        <Setter Property="BorderThickness" Value="1"/>
+      </Trigger>
+    </ControlTemplate.Triggers>
+  </ControlTemplate>
+  <Style x:Key="DataGridRowStyle" TargetType="DataGridRow">
+    <Setter Property="BorderThickness" Value="1,0"/>
+    <Setter Property="BorderBrush" Value="Transparent"/>
+    <Setter Property="Template" Value="{StaticResource DataGridRowTemplate}"/>
+    <Setter Property="usp:ExecutionStrategyEditor.RowHasErrors" Value="{Binding has_errors}"/>
+    <Style.Triggers>
+      <DataTrigger Binding="{Binding read_only}" Value="True">
+        <Setter Property="TextElement.Foreground" Value="{u:BTSColor UI.input_disabled_text_dark}"/>
+        <Setter Property="ToolTip">
+          <Setter.Value>
+            <TextBlock Foreground="Black" Text="{Binding display_name, StringFormat='{}Can\&apos;t change \&apos;{0}\&apos; after creation'}"/>
+          </Setter.Value>
+        </Setter>
+      </DataTrigger>
+      <DataTrigger Binding="{Binding display_name}" Value="{x:Static sys:String.Empty}">
+        <Setter Property="Background" Value="Transparent"/>
+      </DataTrigger>
+    </Style.Triggers>
+  </Style>
+  <DataGridTextColumn x:Key="AddColumnPlaceholder" x:Shared="False" IsReadOnly="True">
+    <DataGridTextColumn.Header>
+      <c:PopupControl
+        ShowExpanderArrow="False" PopupPlacement="Right" Header="Add Leg" Padding="6,0"
+        Background="{StaticResource Button.Static.BackgroundBrush}"
+        IsOpen="{Binding IsNewLegPopupOpen, RelativeSource={RelativeSource AncestorType=usp:ExecutionStrategyEditor}, Mode=TwoWay}"
+        IsEnabled="{Binding CanUserAddNewLeg, RelativeSource={RelativeSource AncestorType=usp:ExecutionStrategyEditor}}"
+      >
+        <msp:ContractPickerView
+          CloseOnOK="False" CloseOnCancel="False"
+          DataContext="{Binding ContractPickerModel, RelativeSource={RelativeSource AncestorType=usp:ExecutionStrategyEditor}}"
+        />
+      </c:PopupControl>
+    </DataGridTextColumn.Header>
+  </DataGridTextColumn>
+  <DataTemplate x:Key="RemovableColumnHeaderTemplate">
+    <Grid>
+      <Grid.ColumnDefinitions>
+        <ColumnDefinition Width="Auto"/>
+        <ColumnDefinition/>
+      </Grid.ColumnDefinitions>
+      <Button
+        Command="{Binding RemoveLegCommand, RelativeSource={RelativeSource AncestorType=usp:ExecutionStrategyEditor}}"
+        CommandParameter="{Binding}" Style="{StaticResource RoundCloseButton}"
+      />
+      <TextBlock Grid.Column="1" Margin="4,0,0,0" Text="{Binding Converter={StaticResource SecurityTextConverter}}"/>
+    </Grid>
+  </DataTemplate>
+
+  <ControlTemplate x:Key="ExecutionStrategyEditorTemplate" TargetType="usp:ExecutionStrategyEditor">
+    <Border
+      BorderBrush="{TemplateBinding BorderBrush}"
+      BorderThickness="{TemplateBinding BorderThickness}"
+      HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
+      VerticalAlignment="{TemplateBinding VerticalAlignment}"
+      Width="{TemplateBinding Width}"
+      Height="{TemplateBinding Height}"
+      Padding="{TemplateBinding Padding}"
+    >
+      <Grid>
+        <Grid.RowDefinitions>
+          <RowDefinition Height="Auto"/>
+          <RowDefinition/>
+        </Grid.RowDefinitions>
+        <Grid>
+          <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="Auto"/>
+            <ColumnDefinition Width="7*"/>
+            <ColumnDefinition Width="Auto"/>
+            <ColumnDefinition Width="3*"/>
+            <ColumnDefinition Width="Auto"/>
+            <ColumnDefinition Width="5*"/>
+            <ColumnDefinition Width="Auto"/>
+          </Grid.ColumnDefinitions>
+          <TextBlock VerticalAlignment="Center" IsEnabled="{TemplateBinding IsNew}">Name</TextBlock>
+          <TextBox
+            x:Name="PART_Name_TextBox" Grid.Column="1" Margin="6,0,0,0" HorizontalAlignment="Stretch" IsEnabled="{TemplateBinding IsNew}"
+            Text="{Binding SyntheticName, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}, ValidatesOnDataErrors=True, ValidatesOnNotifyDataErrors=True, NotifyOnValidationError=True}"
+          >
+            <u:Behavior.BindingUpdateGroups>
+              <u:BindingUpdateGroupCollection>
+                <u:BindingUpdateGroup Source="{Binding DataContext, Source={u:DirectReference PART_Name_TextBox}}" Target="{Binding Source={u:DirectReference PART_Name_TextBox}}">
+                  <u:PropertyTuple PropertyName="Text" Type="{x:Type TextBox}"/>
+                </u:BindingUpdateGroup>
+              </u:BindingUpdateGroupCollection>
+            </u:Behavior.BindingUpdateGroups>
+          </TextBox>
+          <TextBlock
+            Grid.Column="2" VerticalAlignment="Center" Margin="6,0,0,0" Text="Ticks" IsEnabled="{TemplateBinding IsNew}"
+            Visibility="{Binding LegTuples.Count, RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource IntNotZeroVisibilityConverter}}"
+          />
+          <ComboBox
+            x:Name="PART_Tick_ComboBox" Grid.Column="3" Margin="6,0,0,0" IsEnabled="{TemplateBinding IsNew}" HorizontalAlignment="Stretch"
+            ItemsSource="{TemplateBinding AvailableTickFactors}" SelectedItem="{Binding TickFactors, RelativeSource={RelativeSource TemplatedParent}}"
+            Visibility="{Binding LegTuples.Count, RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource IntNotZeroVisibilityConverter}}"
+          >
+            <ComboBox.GroupStyle>
+              <GroupStyle ContainerStyle="{StaticResource ComboBox.DelineatedGroupContainerStyle}"/>
+            </ComboBox.GroupStyle>
+            <ComboBox.ItemTemplate>
+              <DataTemplate>
+                <TextBlock Text="{Binding Converter={StaticResource TickFactorsTextConverter}}"/>
+              </DataTemplate>
+            </ComboBox.ItemTemplate>
+          </ComboBox>
+          <TextBlock Grid.Column="4" VerticalAlignment="Center" Margin="6,0,0,0">Pricing</TextBlock>
+          <ComboBox
+            Grid.Column="5" Margin="6,0,0,0" IsEnabled="False"
+            ItemsSource="{x:Static usp:ExecutionStrategyEditor.PriceCalcItems}" SelectedItem="{Binding PriceCalc, RelativeSource={RelativeSource TemplatedParent}}"
+          >
+            <ComboBox.ItemTemplate>
+              <DataTemplate>
+                <TextBlock Text="{Binding Converter={StaticResource SyntheticPriceCalcDisplayConverter}}"/>
+              </DataTemplate>
+            </ComboBox.ItemTemplate>
+          </ComboBox>
+          <c:HelpButton Grid.Column="6" Margin="3,0,0,0"/>
+        </Grid>
+        <c:DataGridEx
+          x:Name="PART_DataGrid"
+          Grid.Row="1"
+          Margin="0,4,0,0"
+          BorderBrush="Transparent"
+          BorderThickness="0"
+          GridLinesVisibility="None"
+          HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
+          VerticalAlignment="{TemplateBinding VerticalAlignment}"
+          HeadersVisibility="All"
+          RowHeaderWidth="{StaticResource RowHeaderWidth}"
+          RowStyle="{StaticResource DataGridRowStyle}"
+          ItemsSource="{Binding ParameterRowsView, RelativeSource={RelativeSource TemplatedParent}}"
+        >
+          <DataGrid.Resources>
+            <Style x:Key="{ComponentResourceKey ResourceId=DataGridSelectAllButtonStyle, TypeInTargetAssembly={x:Type DataGrid}}" TargetType="Button">
+              <Setter Property="IsEnabled" Value="False"/>
+              <Setter Property="Template">
+                <Setter.Value>
+                  <ControlTemplate TargetType="Button">
+                    <Rectangle Fill="{u:BTSColor header}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
+                  </ControlTemplate>
+                </Setter.Value>
+              </Setter>
+            </Style>
+          </DataGrid.Resources>
+          <DataGrid.GroupStyle>
+            <GroupStyle ContainerStyle="{StaticResource GroupItemStyle}"/>
+          </DataGrid.GroupStyle>
+        </c:DataGridEx>
+      </Grid>
+    </Border>
+  </ControlTemplate>
+  <Style TargetType="usp:ExecutionStrategyEditor">
+    <Setter Property="ParameterCellTemplateConverter" Value="{StaticResource ParameterCellTemplateConverter}"/>
+    <Setter Property="ParameterCellEditingTemplateConverter" Value="{StaticResource ParameterCellEditingTemplateConverter}"/>
+    <Setter Property="HorizontalAlignment" Value="Stretch"/>
+    <Setter Property="VerticalAlignment" Value="Stretch"/>
+    <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
+    <Setter Property="Template" Value="{StaticResource ExecutionStrategyEditorTemplate}"/>
+    <Setter Property="Validation.ErrorTemplate" Value="{x:Null}"/>
+  </Style>
+</ResourceDictionary>
@@ -0,0 +1,319 @@
+using bts.api;
+using bts.spark;
+using mbts.spark;
+using mbts.ui.adorners;
+using mbts.ui.controls;
+using mbts.ui.utility;
+using mbts.user.settings;
+using mbts.utils;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Globalization;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Input;
+using System.Windows.Media;
+using static mbts.spark.SyntheticEditorVM;
+
+namespace mbts.ui.spark {
+   /// <summary>
+   /// Interaction logic for ExecutionStrategyEditor.xaml
+   /// </summary>
+   partial class ExecutionStrategyEditor : Control { 
+      static ExecutionStrategyEditor() =>
+         DefaultStyleKeyProperty.OverrideMetadata(typeof(ExecutionStrategyEditor), new FrameworkPropertyMetadata(typeof(ExecutionStrategyEditor)));
+
+      public ExecutionStrategyEditor() =>
+         AdornerHelper.attach_continuously_on_loaded(() => new ExecutionStrategyErrorAdorner(this), this);
+
+      #region SyntheticName
+      public static readonly DependencyProperty SyntheticNameProperty = DependencyProperty.Register("SyntheticName", typeof(string), typeof(ExecutionStrategyEditor),
+         new FrameworkPropertyMetadata(string.Empty, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
+      public string SyntheticName { get => GetValue(SyntheticNameProperty) as string; set => SetValue(SyntheticNameProperty, value); }
+      #endregion
+
+      #region TickFactors
+      public static readonly DependencyProperty TickFactorsProperty = DependencyProperty.Register("TickFactors", typeof(TickFactors), typeof(ExecutionStrategyEditor),
+         new FrameworkPropertyMetadata(new TickFactors(), FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
+      public TickFactors TickFactors { get => GetValue(TickFactorsProperty) as TickFactors; set => SetValue(TickFactorsProperty, value); }
+      #endregion
+
+      #region AvailableTickFactors
+      public static readonly DependencyProperty AvailableTickFactorsProperty = DependencyProperty.Register(
+         nameof(AvailableTickFactors), typeof(IEnumerable), typeof(ExecutionStrategyEditor), new PropertyMetadata(new TickFactors[0]));
+
+      public IEnumerable AvailableTickFactors { get => GetValue(AvailableTickFactorsProperty) as IEnumerable; set => SetValue(AvailableTickFactorsProperty, value); }
+      #endregion
+
+      #region IsNew
+      public static readonly DependencyProperty IsNewProperty =
+         DependencyProperty.Register(
+            nameof(IsNew),
+            typeof(bool),
+            typeof(ExecutionStrategyEditor),
+            new PropertyMetadata(false, OnIsNewChanged));
+
+      static void OnIsNewChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
+         d.CoerceValue(CanUserAddNewLegProperty);
+
+      public bool IsNew {
+         get => (bool)GetValue(IsNewProperty);
+         set => SetValue(IsNewProperty, value);
+      }
+      #endregion
+
+      #region CanUserAddNewLeg
+      public static readonly DependencyProperty CanUserAddNewLegProperty =
+         DependencyProperty.Register(
+            nameof(CanUserAddNewLeg),
+            typeof(bool),
+            typeof(ExecutionStrategyEditor),
+            new PropertyMetadata(false, null, CoerceCanUserAddNewLeg));
+
+      static object CoerceCanUserAddNewLeg(DependencyObject d, object baseValue) {
+         var value = (bool)baseValue;
+         if (value) {
+            if (!((ExecutionStrategyEditor)d).IsNew)
+               return false;
+         }
+         return value;
+      }
+
+      public bool CanUserAddNewLeg {
+         get => (bool)GetValue(CanUserAddNewLegProperty);
+         set => SetValue(CanUserAddNewLegProperty, value);
+      }
+      #endregion
+
+      #region IsNewLegPopupOpen
+      public static readonly DependencyProperty IsNewLegPopupOpenProperty = DependencyProperty.Register("IsNewLegPopupOpen", typeof(bool), typeof(ExecutionStrategyEditor),
+         new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
+      public bool IsNewLegPopupOpen { get => (bool)GetValue(IsNewLegPopupOpenProperty); set => SetValue(IsNewLegPopupOpenProperty, value); }
+      #endregion
+
+      #region PriceCalc
+      public static readonly DependencyProperty PriceCalcProperty = DependencyProperty.Register("PriceCalc", typeof(SyntheticContract.Types.PriceCalc), typeof(ExecutionStrategyEditor),
+         new FrameworkPropertyMetadata(SyntheticContract.Types.PriceCalc.Diff, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
+      public SyntheticContract.Types.PriceCalc PriceCalc { get => (SyntheticContract.Types.PriceCalc)GetValue(PriceCalcProperty); set => SetValue(PriceCalcProperty, value); }
+
+      public static readonly IEnumerable<SyntheticContract.Types.PriceCalc> PriceCalcItems = EnumHelper.get_values<SyntheticContract.Types.PriceCalc>();
+      #endregion
+
+      #region LegTuples
+      public static readonly DependencyProperty LegTuplesProperty = DependencyProperty.Register("LegTuples", typeof(IReadOnlyCollection<LegSpreaderParamsTuple>), typeof(ExecutionStrategyEditor),
+         new FrameworkPropertyMetadata(new LegSpreaderParamsTuple[0], FrameworkPropertyMetadataOptions.AffectsMeasure, ConnectLegTuples, CoerceLegTuples));
+      static object CoerceLegTuples(DependencyObject d, object baseValue) =>
+         baseValue as IReadOnlyCollection<LegSpreaderParamsTuple> ?? new LegSpreaderParamsTuple[0];
+      public IReadOnlyCollection<LegSpreaderParamsTuple> LegTuples { get => GetValue(LegTuplesProperty) as IReadOnlyCollection<LegSpreaderParamsTuple>; set => SetValue(LegTuplesProperty, value); }
+      #endregion
+
+      #region ParameterRows
+      public static readonly DependencyProperty ParameterRowsProperty = DependencyProperty.Register("ParameterRows", typeof(IEnumerable<IParameterRowVM>), typeof(ExecutionStrategyEditor),
+         new PropertyMetadata(Enumerable.Empty<IParameterRowVM>(), OnParameterRowsChanged));
+      static void OnParameterRowsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) {
+         ExceptionAssert.Argument.IsNot<INotifyCollectionChanged>(e.NewValue, nameof(ParameterRows));
+         ((ExecutionStrategyEditor)d)._on_new_parameter_rows(e.NewValue as IEnumerable<IParameterRowVM>);
+      }
+      ObservableCollection<IParameterRowVM> _rows;
+
+      void _on_new_parameter_rows(IEnumerable<IParameterRowVM> new_rows) {
+         if (_rows == null) {
+            _rows = new ObservableCollection<IParameterRowVM>(new_rows);
+            var rows_view = ParameterRowsView = CollectionViewSource.GetDefaultView(_rows);
+            Action set_group_descriptions = () => {
+               int n_groups = _rows.Count == 0 ? 0 : _rows.Max(r => r.section_path.Length);
+               for (int i = 0; i < n_groups; i++)
+                  rows_view.GroupDescriptions.Add(new PropertyGroupDescription($"[{i}]"));
+            };
+            set_group_descriptions();
+            _rows.CollectionChanged += (s, e) => {
+               rows_view.GroupDescriptions.Clear();
+               set_group_descriptions();
+            };
+         }
+      }
+
+      public IEnumerable<IParameterRowVM> ParameterRows { get => GetValue(ParameterRowsProperty) as IEnumerable<IParameterRowVM>; set => SetValue(ParameterRowsProperty, value); }
+      #endregion
+
+      #region ParameterRowsView (ReadOnly)
+      static readonly DependencyPropertyKey ParameterRowsViewPropertyKey = DependencyProperty.RegisterReadOnly("ParameterRowsView", typeof(ICollectionView), typeof(ExecutionStrategyEditor),
+         new PropertyMetadata());
+      public static readonly DependencyProperty ParameterRowsViewProperty = ParameterRowsViewPropertyKey.DependencyProperty;
+      public ICollectionView ParameterRowsView { get => GetValue(ParameterRowsViewProperty) as ICollectionView; set => SetValue(ParameterRowsViewPropertyKey, value); }
+      #endregion
+
+      #region ParameterCellTemplateConverter
+      public static readonly DependencyProperty ParameterCellTemplateConverterProperty = DependencyProperty.Register("ParameterCellTemplateConverter", typeof(IValueConverter), typeof(ExecutionStrategyEditor),
+         new PropertyMetadata(ConnectLegTuples));
+      public IValueConverter ParameterCellTemplateConverter { get => GetValue(ParameterCellTemplateConverterProperty) as IValueConverter; set => SetValue(ParameterCellTemplateConverterProperty, value); }
+      #endregion
+
+      #region ParameterCellEditingTemplateConverter
+      public static readonly DependencyProperty ParameterCellEditingTemplateConverterProperty = DependencyProperty.Register("ParameterCellEditingTemplateConverter", typeof(IValueConverter), typeof(ExecutionStrategyEditor),
+         new PropertyMetadata(ConnectLegTuples));
+      public IValueConverter ParameterCellEditingTemplateConverter { get => GetValue(ParameterCellEditingTemplateConverterProperty) as IValueConverter; set => SetValue(ParameterCellEditingTemplateConverterProperty, value); }
+      #endregion
+
+      #region RowHasError
+      public static readonly DependencyProperty RowHasErrorsProperty = DependencyProperty.RegisterAttached("RowHasErrors", typeof(bool), typeof(ExecutionStrategyEditor), new PropertyMetadata(false));
+      public static bool GetRowHasErrors(DependencyObject d) { return (bool)d.GetValue(RowHasErrorsProperty); }
+      public static void SetRowHasErrors(DependencyObject d, bool value) { d.SetValue(RowHasErrorsProperty, value); }
+      #endregion
+
+      #region CellDataType
+      public static readonly DependencyProperty CellDataTypeProperty = DependencyProperty.RegisterAttached("CellDataType", typeof(Type), typeof(ExecutionStrategyEditor), new PropertyMetadata(null));
+      public static Type GetCellDataType(DependencyObject d) { return d.GetValue(CellDataTypeProperty) as Type; }
+      public static void SetCellDataType(DependencyObject d, Type value) { d.SetValue(CellDataTypeProperty, value); }
+      #endregion
+
+      #region RemoveLegCommand
+      public static readonly DependencyProperty RemoveLegCommandProperty = DependencyProperty.Register("RemoveLegCommand", typeof(ICommand), typeof(ExecutionStrategyEditor));
+      public ICommand RemoveLegCommand { get => GetValue(RemoveLegCommandProperty) as ICommand; set => SetValue(RemoveLegCommandProperty, value); }
+      #endregion
+
+      #region ContractPickerModel
+      public static readonly DependencyProperty ContractPickerModelProperty = DependencyProperty.Register(nameof(ContractPickerModel), typeof(mbts.spark.ContractPickerModel), typeof(ExecutionStrategyEditor));
+      public mbts.spark.ContractPickerModel ContractPickerModel { get => GetValue(ContractPickerModelProperty) as mbts.spark.ContractPickerModel; set => SetValue(ContractPickerModelProperty, value); }
+      #endregion 
+
+      public override void OnApplyTemplate() =>
+         _connect_leg_tuples();
+
+      static void ConnectLegTuples(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
+         ((ExecutionStrategyEditor)d)._connect_leg_tuples();
+
+      void _connect_leg_tuples() {
+         Disposable.dispose(ref _dg_line_adorner);
+         Disposable.dispose(ref _legs_collection_changed_sub);
+         var dg = (DataGridEx)GetTemplateChild("PART_DataGrid");
+         if (dg != null) {
+            var legs = LegTuples;
+            dg.Columns.SetItems(legs.Select(_column_factory));
+            if (IsNew) dg.Columns.Add((DataGridColumn)FindResource("AddColumnPlaceholder"));
+            _dg_line_adorner = AdornerHelper.attach_continuously_on_loaded(() => new ExecutionStrategyGridLineAdorner(dg), dg);
+            _legs_collection_changed_sub = (legs as INotifyCollectionChanged)?.Subscribe((s, e) => dg.Columns.ReflectChange(legs, _column_factory, e));
+         }
+      }
+
+      DataGridColumn _column_factory(LegSpreaderParamsTuple l) {
+         var col = new DataGridColumnInternal(l.leg.Security, ParameterCellTemplateConverter, ParameterCellEditingTemplateConverter) { Width = 75, };
+         if (IsNew) col.HeaderTemplate = (DataTemplate)FindResource("RemovableColumnHeaderTemplate");
+         DataGridEx.SetRightBorder(col, new DataGridExVerticalLine(false, true, Colors.DarkGray, 1));
+         return col;
+      }
+
+      IDisposable _legs_collection_changed_sub, _dg_line_adorner;
+
+      private class DataGridColumnInternal : DataGridDynamicColumn {
+         readonly IValueConverter _cell_template_converter, _cell_editing_template_converter;
+
+         public DataGridColumnInternal(Security security, IValueConverter cell_template_converter, IValueConverter cell_editing_template_converter) {
+            Header = security;
+            SetValue(DataGridEx.CellKeyProperty, security);
+            _cell_template_converter = cell_template_converter;
+            _cell_editing_template_converter = cell_editing_template_converter;
+         }
+
+         // I decided this was an easy and simple enough solution to justify breaking the mvvm paradigm
+         // The alternative - within strict bounds of the paradigm - is to change the DataGridParameterCellTemplateConverter into an IMultiValueConverter, bound to data_type AND read_only
+         protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem) {
+            if (dataItem is SyntheticEditorVM.RowVM row_vm) {
+               if (row_vm.read_only || row_vm.get_cell(Header) is SyntheticEditorVM.ICell cell_vm && !cell_vm.enabled)
+                  return base.GenerateElement(cell, dataItem);
+            }
+            return base.GenerateEditingElement(cell, dataItem);
+         }
+
+         protected override FrameworkElement generate_element_internal() =>
+            _generate_element(_cell_template_converter);
+
+         protected override FrameworkElement generate_editing_element_internal() =>
+            _generate_element(_cell_editing_template_converter);
+
+         FrameworkElement _generate_element(IValueConverter cell_template_converter) {
+            var rv = new ContentControl();
+            rv.SetBinding(ContentControl.ContentProperty, new Binding());
+            rv.SetBinding(ContentControl.ContentTemplateProperty, new Binding("data_type") { Converter = cell_template_converter });
+            return rv;
+         }
+      }
+
+      class ExecutionStrategyErrorAdorner : NotifyDataErrorAdorner<ExecutionStrategyEditor, SyntheticEditorVM>, IDisposable {
+         readonly ChildProperty<TextBox> _name_text_box;
+         readonly ChildProperty<ComboBox> _tick_combo_box;
+
+         public ExecutionStrategyErrorAdorner(ExecutionStrategyEditor editor) : base(editor) {
+            _name_text_box = child_property<TextBox>("PART_Name_TextBox");
+            _tick_combo_box = child_property<ComboBox>("PART_Tick_ComboBox");
+         }
+
+         protected override void OnRender(DrawingContext drawing_context) {
+            const double y_offset = 10;
+            string leg_count_msg = _vm.GetErrors(nameof(SyntheticEditorVM.leg_count)).Cast<string>().FirstOrDefault();
+            if (leg_count_msg != null) {
+               this.draw_relative_text(RelativePosition.Below, leg_count_msg, drawing_context, _name_text_box.value, new SolidColorBrush(BTSColors.MarketData.driver_background), 0, y_offset);
+            } else {
+               if (_vm != null && _vm.GetErrors(nameof(SyntheticEditorVM.name)).Cast<string>().Any())
+                  this.draw_border(drawing_context, _name_text_box.value, null, new Pen(Brushes.Red, 1));
+               if (_vm != null && _vm.GetErrors(nameof(SyntheticEditorVM.tick_factors)).Cast<string>().Any())
+                  this.draw_border(drawing_context, _tick_combo_box.value, null, new Pen(Brushes.Red, 1));
+               string error_text = string.Join(", ", _vm.AllErrors);
+               this.draw_relative_text(RelativePosition.Below, error_text, drawing_context, _name_text_box.value, BTSColors.header_error_text_brush, 0, y_offset);
+            }
+         }
+      }
+   }
+
+   [ValueConversion(typeof(int), typeof(Thickness))]
+   class RowHeaderGroupIndentConverter : IValueConverter {
+      public double Indent { get; set; }
+      public bool Reverse { get; set; }
+
+      public object Convert(object value, Type targetType, object parameter, CultureInfo culture) =>
+         new Thickness(((int)value + 1) * (Reverse ? -Indent : Indent), 0, 0, 0);
+
+      public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>
+         throw new NotImplementedException();
+   }
+
+   [ValueConversion(typeof(int), typeof(double))]
+   class RowGroupExpanderWidthConverter : IValueConverter {
+      public double Indent { get; set; }
+      public double RowHeaderWidth { get; set; }
+      public double Offset { get; set; }
+
+      public object Convert(object value, Type targetType, object parameter, CultureInfo culture) =>
+         RowHeaderWidth - (int)value * Indent - Offset;
+
+      public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => throw new NotImplementedException();
+   }
+
+   [ValueConversion(typeof(Type), typeof(DataTemplate))]
+   class DataGridParameterCellTemplateConverter : IValueConverter {
+      public DataTemplate DoubleTemplate { get; set; }
+      public DataTemplate BooleanTemplate { get; set; }
+      public DataTemplate IntTemplate { get; set; }
+      public DataTemplate UIntTemplate { get; set; }
+      public DataTemplate QuantityMeasureTemplate { get; set; }
+
+      public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
+         Type t = (Type)value;
+         if (t == typeof(double)) return DoubleTemplate;
+         else if (t == typeof(bool)) return BooleanTemplate;
+         else if (t == typeof(int)) return IntTemplate;
+         else if (t == typeof(uint)) return UIntTemplate;
+         else if (t == typeof(QuantityMeasure)) return QuantityMeasureTemplate;
+         else return null;
+      }
+
+      public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>
+         throw new NotImplementedException();
+   }
+}
@@ -8,12 +8,11 @@ using System.Windows.Media;

 namespace mbts.ui.spark
 {
-   internal partial class SyntheticEditor : Control {
-      internal class SyntheticEditorGridLineAdorner : DataGridExVerticalLineAdorner
-      {
-         public SyntheticEditorGridLineAdorner(DataGridEx grid) : base(grid) { }
+   internal partial class ExecutionStrategyEditor : Control {
+      internal class ExecutionStrategyGridLineAdorner : DataGridExVerticalLineAdorner {
+         public ExecutionStrategyGridLineAdorner(DataGridEx grid) : base(grid) { }

-         private ItemsPresenter _items_presenter;
+         ItemsPresenter _items_presenter;

         protected override IEnumerable<IDisposable> get_other_hooks() {
            _items_presenter = _grid.visual_children_where(el => el is ItemsPresenter).Cast<ItemsPresenter>().FirstOrDefault();
@@ -23,7 +22,7 @@ namespace mbts.ui.spark
            }
         }

-         private void _items_presenter_SizeChanged(object sender, SizeChangedEventArgs e) { InvalidateVisual(); }
+         void _items_presenter_SizeChanged(object sender, SizeChangedEventArgs e) { InvalidateVisual(); }

         protected override void draw_vertical_line(DrawingContext dc, double x, DataGridExVerticalLine line) {
            if (_items_presenter != null) dc.DrawLine(line.pen.Value, new Point(x - 10, 58), new Point(x - 10, _items_presenter.ActualHeight + 58));