Answer Questions

• gillesgg problems communicating with the host

  Hi, I am trying to get host communication working because I need to communicate back to the host if for example, a process will be long running. I've set up a very simple example which raises an event on the host and every time I run it, I get an error: Done Exception has been thrown by the target of an invocation. Press any key to contine The code for my test harness is as follows: #region Using directives using System; using System.Colle ...Show All

• Dan Crowell Managing resources within workflows

  I need access to some resources whenever my workflow is active in memory, i.e when it is in the hydrated state. I am using the SqlWorkflowPersistenceService for persisting the state of my workflows. What is the best approach to detect when the workflow is active (because of creation or hydration) and inactive (because of dehydration or completion) I want to use these events to open and close my resources. That' ...Show All

• Ron Holmes Receiving message through window

  Hi, I hope I am posting to the right forum. I want to perform some specific task when the system returns from hibernation. I found out from MSDN that I need to make use of the WM_POWERBROADCAST message that is generated. http://msdn.microsoft.com/library/default.asp url=/library/en-us/power/base/wm_powerbroadcast.asp It says that a window receives this message through its WindowProc function which has the following prototype: LRESULT ...Show All

• PSM WWF server and client

  What does it mean that Windows Workflow Foundation is available for both client and server versions of Windows. witch is the server and witch is the client how to i get them Thank you that was helpful If you mean the server and client versions of Windows Workflow Foundation, there is only one version and it works on both. To download the Feb CTP build you can go to www.win ...Show All

• Klaus MeldGaard Keith CoCreateInstance failed with E-OUTOFMEMORY return value

  Hi, I implemented a DirectShow transform filter CSampleGrabber , Which is derived from CTransInPlaceFilter & IGrabberSample interface. When I try to use this filter in client application using CoCreateInstance(CLSID), it fails to create the instance and returns E_OUTOFMEMORY error. What could be the problem Thanks Sai kiran Hi Davies, Thanks for the reply. Here is what exactly i am d ...Show All

• IainMc Comparing Workflow activities to MVC Controllers

  In yesterday's webcast[1] with Ron Jacobs there was some comparisons made between the Controller in the MVC pattern and workflow activities.  My question is regarding the performance implications of marshalling parameters between the workflow host and the activities in an MVC scenario.  Let's suppose an activity needs to retreive a non-trivial chunk of data from the Model, which I am assuming exists in the host, an ...Show All

• SRW Visual Studio 6.0 SP5 setup on Vista Beta 2 (5384)?

  Does anyone know how to get around the MDAC check in the Service Pack 5 setup of Visual Studio 6.0 For some reason it doesn't detect MDAC 2.5 or higher which it requires (even though Vista obviously has a later version - 6.0) and the setup will not continue from that point. I've tried every registry key I could think of to trick it into thinking MDAC is installed. Thanks Ted. Ted, Did you get ...Show All

• Valeh Problem: Install Vista 5308 on Virtual PC?

  I need to install Vista on a Virtual PC to test installation and running of some current apps I've developed. When I try to install Vista, it boots from the DVD I provide but when I "Install Now (->)", I get an error dialog box: For feedback use Microsoft Bug Report program (download link find on Vista Desktop). My friend right next door installed vsssta 3508 very smoothly on virtual pc. But ...Show All

• ScottM124 Error when trying to see the designer of a Workflow!

  Hi all! Does any one here had the error message: COULD NOT LOAD FILE OR ASSEMBLY 'Microsoft.VisualStudio.Designer.Interfaces, Version=2.0.0.0, culture=Neutral, PublicToken=b03f5f7f11d500a3a' or one of its dependencies. The system could not find the specified file. And then, I can not start design Workflows... Any idea See ya!@! Chila, In order to help need an answer to following questions: 1. Can you open designer for a Windows Form 2. Wh ...Show All

• Jeff Lynch - MVP Unloaded/Persisted Workflows.

  Aside from accessing the DB directly, is there any way to query the currently active workflows that are persisted to the DB once they are unloaded Is Beta 2 still scheduled for Feb 2006 Joe, In Beta1, querying the DB is the only route. In Beta2, there is an API to make this query. Arjun I have. But ASP.Net is not persisting to DB ...Show All

• Morris71 Inter-activity communication?

  Just starting with Beta 2 of WWF and I've come across an issue that I cannot seem to find any guidance on. I have a sequential workflow with a series of individual activities that need to be conditionally executed depending on if the previous activity completed sucessfully, this is the easy part as WWF already handles it. As my activities execute I need them to be able to 'publish' one or more parameters and make those available to one or more o ...Show All

• esselstrome Logon using the Administrator account

  Hi, I would like to logon to Vista (5308) using the built in Administrator account. Is this possible If so how do I do it My computer is not member of any domain... I don’t want to boot into Safe Mode, I must be in "Normal" mode... /Oscar HI, amybe there are some one have a good idea, you can try it follow the command as below. 1:Click start --run and press enter key. 2:type 'net user ...Show All

• Koen Vermeire Problems building samples from Platform SDK

  I have installed the "Microsoft Platform SDK" and followed Brian Johnson's instructions ( http://lab.msdn.microsoft.com/express/visualc/usingpsdk/default.aspx ) to enable it to be used with "Visual C++ 2005 Express Beta 2", successfully (hooray!). I then wanted to build some of the samples in the SDK. I first tried building in the command line for "Microsoft Visual C++ Toolkit 2003" (which I had previously downloaded), and received linker errors ...Show All

• wader Cannot show icon of Start Menu and other Installer issues

  Hi there, We are try to develop our program onto VISTA. Recently, we got some minor issues: 1. Before, we relied on Msiexec calls CreateShortcuts action and extract icons from programs, and then it stores to "%SystemRoot%\Installer\<GUID>\target_file.exe". Nevertheless, when we work on VISTA these files in Start Menu do not have icon. Is there something wrong in Msiexec on VISTA Or, what kind of alternatives we can try ...Show All

• MrNoBody Reentrant workflows and activies

  I have a workflow for a purchase order fullfillment that can be restarted if something fails and has retries in it. Some activities must not run again on a retry within the workflow. Is there a way to use the Tracking Data within an activity so see if the activity already has closed thanks Peter YOu might want to look at the conditioned activity group to see if it solves your issue. It provides rules bas ...Show All