Answer Questions
Sillyman How to use the cancel handler?
I have two workflows A and B. In workflow A I have the instance Id of workflow B. How do I gracefully cancel workflow B from workflow A Is this where the cancel handler should be invoked How When the cancel handler completes does the workflow exit Thanks. Althought AFAIK this sample doesn't actually cause a CancelHandler to fire does it Workflows cannot perform instance operations on other workflows, on ...Show All
gatalec Replicating State Machine Workflows
I am wondering if it is possible to replicate n number of state machine workflows from within the state initialization activity. Thanks Arjun, I haven't had time to test this design, but I will shortly, and let you know how it works out. One question though, my limited understand of InvokeMethod is that it calls host methods. Is this correct If so, I would like to attempt to keep all wo ...Show All
Nikhil Rajwade Unable to setup windows Vista 5308 (error while displaying image selection wizard)
Hi - I have tried to install the 5308 build on a (older) PC (AMD Thunderbird/512MB/ATI 9000) that I use as a test machine but I keep getting an error message immediately after entering the license key. The error dialog says "An internal Setup Error occurred while displaying the image selection wizard". After a while the setup program will abort and display another dialog "Exception Unknown Exception 0xe0000100 occurred at memory l ...Show All
Rena Deserialized Activity property value is "null"
I have a application in wich I embedded a WWF Designer, where I add custom activities with two DependencyProperties (Probe (type of string) and Probe2 (type of ProbeInfo) ): ------ Code Snippet ------ public static DependencyProperty ProbeProperty = System.Workflow.ComponentModel.DependencyProperty.Register("Probe", typeof(string), typeof(StreamActivity)); [Description("This is the description which appears in the Property B ...Show All
AggieNut DirectX AudioVideoPlayback Managed Interfaces for .net 2.0
I was told that "AudioVideoPlayback wraps DirectShow which has been moved out of the DirectX team and into the platform SDK." Is there a .net 2.0 SDK supporting AudioVideoPlayback interfaces Have you looked at http://DirectShowNet.SourceForge.net I believe this can be compiled with VS2005. While there are some warning errors , I believe they can be ignored. ...Show All
EgoStripper Problems creating the interop library for managed Exchange sinks
Hi there. I followed the instructions on [1]: - Downloaded the sample distribution from [2] - (Since I didn't own Visual Studio) Installed the current MS Windows Platform SDK - Installed .NET 2.0, SDK - Entered the Interop directory, run <platformSDKdir>\SetEnv.cmd and nmake - Got this: C:\Programme\Exchange SDK\ManagedSinksWP\Interop>nmake Microsoft (R) Program Maintenance Utility Version 7.00.8882 Copyright (C) Microsoft C ...Show All
KipB How to persist a workflow
Hi, Having added the SQL persistance service how can I force my workflow to persist as it enters each activity Ta in advance, Michael M. Hi Michael, You are looking for System.Workflow.Runtime.WorkflowInstance.Unload(). You first need to retrieve the workflow instance which you can get from the workflow runtime. Regards, Paul Sounds like a good candidate for a tracking service. PersistWorkflowOnTransitionService ...Show All
Utku UZUNDUMLU Designer and the Toolbox
We are working on integrating the workflow desinger into our suite of tools. Our shell currently has a toolbox that implements the IToolboxService interface. When we create the DesignSurface for the Workflow designer, we pass in our root service provider (which contains our toolbox service). However, the Workflow designer never asks our service provider for the IToolboxService (though it does ask for many other services). How does the list of av ...Show All
oha_li Error:"Currently selected property has a wrong type"
I was working on a WF project and all of the sudden I started receiving the following error message when using the WF Designer in Beta 2.2: ''Currently selected property has a wrong type 'WF.wfEventArgs instead of 'WF.wfEventArgs' Here's the fun thing. The types are the EXACT SAME TYPE. It is expecting what I provide it and it fails. Has anyone experienced this Thanks. Nope. That did not do it. I e ...Show All
Kraymer VC 6.0 to VC8.0
hi, I am getting the below errors when I try to move a project from VC6.0 to VS.net 2005 c:\program files\microsoft visual studio 8\vc\platformsdk\include\shlwapi.h(1344) : error C2061: syntax error : identifier 'THIS' 1>c:\program files\microsoft visual studio 8\vc\platformsdk\include\shlwapi.h(1345) : error C2061: syntax error : identifier 'THIS' It was showing in the lines of shlwapi.h which are as follows STDMETHOD_( ...Show All
Airan Asynchronously Started Workflows Running Independent of ASP.NET Request Thread
Hi, I've got a question about hosting the WF runtime in an HTTP Application scoped variable within ASP.NET. My scenario is that I have a web service that runs a workflow synchronously during which it asynchronously starts another workflow which should run independent of the web service request. This asynchronous workflow may start other workflows, each of which are responsible for updating a database after a response has been returned from ...Show All
SireeshMunagala Workflow Persistence
I need to store about 10 000 000 workflows in a database. With standart serialization one workflow takes 25 kb. Every instance has the same schema. Is there a way to minimalize the required db space My idea is to save the schema somewhere and then during the deserialization recreate the activity tree ( not deserialize workflow instance ). However, there're problems with activities' internal state. Does anybody know how to do it ...Show All
Snake_122 How to tracking with oracle?
Persistence service with oracle ,only create a table with GUID column and STATE column. But tracking service with oracle, a lot of table must be created. Can you tell me a easy way to do that, thanks Add some comments here: SqlTrackingService and SqlWorkflowPersistenceService are SQL-based. They do not support Oracle. You need to create your own tracking and persistence services for Oracle. The SDK samples can be used as ...Show All
Herv&#233; ANCHER Workflow variable initialisation compilation problem
I have a workflow which processes data and documents from a PDM system into our ERP system. The workflow works fine but I have a problem in using parameters passed in as startup data values. For example, I use several look up tables to map values from one system to the other, e.g. units of measure, I populate a DataSet using an xml file. The problem that I am seeing is that if, at compile time, there is no xml file specified or the string c ...Show All
Eric.d Error while installing the platform SDK
Hi, while installing the platform SDK I encounter an error: Error 1606. Could not access network location http://download.microsoft.com/download/a/5/f/a5f0d781-e201-4ab6-8c6a-9bb4efed1e1a/PSDK-SDK_Core_BIN-common.0.cab . It gives me the option to retry or cancel - retry doesn't work, and when I hit cancel, it rolls back and uninstalls all files that it had installed of the SDK till that point. Any clue how to get around this Than ...Show All