Answer Questions

• Hensen Error load StateMachine Workflow Designer

  hi I changed something in my project (actually I removed a whole state machine workflow from it). afterward I tried to open my other state machine workflow (in the same project) in the designer view and got following error: "Error loading workflow An error occurred while loading the workflow. Please correct the following error and try reloading the document to view the workflow. Unable to load one or more of the requested types. ...Show All

• orama ManualWorkflowSchedulerService and Web Service

  When I call a web service from a workflow, scheduled using the ManualWorkflowSchedulerService, it appears to go idle and does not wait for the response. Will this behaviour be addressed by the new UseActiveTimers option or is there another solution Mark Philip If you haven't read it already try Nate's blog for more information on the ManualWorkflowSchedulerService. Thanks for the suggestion Tom, un ...Show All

• mtfck ServicedComponent + Postgres

  I am currently examining the feasability of migrating our .NET server app to COM+/EnterpriseServices, and are having some issues in my prototype code. I have a ServicedComponent (.NET 1.1) talking to a postgres database (8.0) via NHibernate (1.x), and can successfully insert, update, delete, and query a reference entity class. I cannot get the insert to get enrolled in a transaction - I mark the component as TransactionOption.Required, and mark ...Show All

• musicandstamps Workflow becomes idle after CallExternalMethodActivity.

  I have a workflow executed from an .aspx page. The workflow looks like this: handleExternalEventActivity1 callExternalMethodActivity1 codeActivity1 (never invoked) handleExternalEventActivity2 I would expect the first three activities to be executed, before the workflow instance become idle on the fourth activity (eventSink). However, the callMethod activity is triggered and it invokes the service method as expected, ...Show All

• Look How to show text on the preview video

  I can preview the video on the screen through a capture device. But now, I want to show some text on the video, for example: show the current time. How can I do this Thanks a lot. Thank you, Douglas Jordan. your answer is very helpful for me. Hi, Jordan. Thanks for your answer, I run the graphedit.exe can find the Video Mixer Render 9. But I can't find how to add the text. why On the other way, you say there is a sample for this ...Show All

• Debblr Casting property value in activity reference

  Hello, I have two activitites. One exposes a DataSet through a property. A second activity takes a string property. I would like to set an activity reference to the first activity, getting the value of a particular row and column in the dataset. I can use the activity reference dialog to drill down on the Dataset property to get to a particular data value but this returns an object of type System.Object. The property that I'm trying to set on ...Show All

• bony How to change input sample size in Direct Show ?

  Hi everybody, I need to create a Transform filter and I need that the sample size that is delivered in the following method to be a power of 2. HRESULT CMyFilter::Transform(IMediaSample *pIn, IMediaSample *pOut){ BYTE *pSampleBuffer; int iSize = pIn->GetActualDataLength(); // the size to be a power of 2 pIn->GetPointer(&pSampleBuffer); BYTE *pSampleBufferO; int iSizeO = pOut->GetActualDataLength(); pOut->GetPointer ...Show All

• dcb99 want to get my hands dirty

  ok so I have Vista build 5253 in a VM , VS2005 Pro, and I want to code up an implementation of the new IPropertyStore interface - plus I also want to play around with all the other new shell interfaces. Q: exactly what PSDK should I be using Q: where can I get it Q: where can I find documentation for all these new shell interfaces TIA thanks Keith! (actually it's build 5259 that i've got .. not that it matters ...Show All

• Mauricio Mayer Soares Visual status display during execution

  Hi, WWF provides cool support for debugging workflows in the VS.NET environment. But in the application I am developing, it makes sense to support this form of 'debugging' even during normal execution of the application. My application shows the current workflow on one of its controls. So the user should be able to see the current activity that is being executed. He might also want to stop, pause, resume or abort the workflow. Can thi ...Show All

• SmithaNarreddi VS2003 On Vista Build 5308 with .NET based COM Server won't debug properly

  I am trying to debug an app app that uses both a .Net Assembly that is a COM Server and a Native C++ component that is a client to the COM Server. When VS2003 tries to load in the COM Server (.NET Assembly) it hangs in the following call sequence (as seen from the output of VS2003): 'ToolkitMigrationSample.exe': Loaded 'F:\Windows\System32\mscoree.dll', No symbols loaded. 'ToolkitMigrationSample.exe': Loaded 'F:\Windows\Microsoft.NET\Framewo ...Show All

• Vayse_Dev Custom activity validation -- HandleExternalEventActivity.Invoked

  Is there any way to within the validator for a custom activity to validate whether a programmatically created HandleExternalEventActivity's Invoked property has been defined Basically, I need the validator to find out if the HandleExternalEventActivity's Invoked property either has not been defined or does not match a predefined method name and if so, produce an error on the designer and keep the workflow from compiling... Can this be done ...Show All

• Dahlman Defining private field using xoml

  Hi all, At the moment I'm authoring a workflow using xoml instead of c# code. I want to add a private datamember to the workflow definition. I thought I've once seen someting like: <x:field .... InitExpression="..."  xmlns:x="Definition"> Q: Is there some kind of xoml definition for a field, if so, how is it used Regards, Ronald Ronald, Support for field declaration in xoml has been ...Show All

• GreenStone90 Dual Booting

  Dear Users, I need to dual boot Vista and Windows server 2003. It must be possible and if it is I guess if I install win 2003 after vista, i will loose vista whats the solution Best Regards, Aakash Hi, It is possible. Take a look at the following post: http://forums.microsoft.com/msdn/ShowPost.aspx PostID=102000 Regards, Vikram Looking to dual boot win xp sp2 and vista 5308. Two seperate hd's. Is it best to Leave xp on C(current ins ...Show All

• jakob aagesen Rehosting Designer and name change through properties grid

  I have rehosted the designer and attached a property grid to it. I use the Name of the root activity as the name of the assembly when I compile. However, when changing the name of the root activity through the properties grid, the Metadata value for Name does not get updated. So when I compile, it compiles under the old name. The workflow does however get serialized with the correct name Is there something I missing with this or is this just a ...Show All

• David Kaye Alpha-Blended DirectX Overlay

  Hi, I would like to create an overlay with a surface that overlays another surface. The specific application is to take the video rendered from a AX control drawing using DX, then create an menu overlay with another DX surface and have the menu alpha-blended over the video surface. So far I have tried a transparent dialog box, but the video underneith flickers as the region is invalidated. The overlay box fades in and out perfectly, b ...Show All