Answer Questions

• n_tamil GetActivityByName cannot find children activities inside a custome activity

  I have a custom activity whit children activities. When I use this custom activity inside a workflow, I want to do Dynamic Updates to my custom activity. The problem is when I try to use transientWorkflow.GetActivityByName(activityName); it returns null. Is this supposed to happen Thanks in advance Thanks Jon. Now I can get the activity I am looking for. However I continue with a p ...Show All

• Erin Passing credentials with Invokewebservice activity

  How do you pass in user credentials when using an Invokewebservice activity. I'm starting a workflow from within a Winforms application and it fails when calling the webservice.... System.Net.WebException was unhandled by user code   Message="The request failed with HTTP status 401: Unauthorized."   Source="System.Web.Services"   StackTrace:        at System.Web.Services.Protocols.SoapHttpClientPro ...Show All

• Peter Blanchfield How to evalute a workflow parameter in a rule based condition?

  Using the PDC bits, I'm trying to assign a rule based condition to an IfElse branch. The rule  wants to references a workflow parameter initialized by the host application when the workflow is started. For instance the host initializes a parameter called Name with the value "Test". The IfElse branch1 condition's rule is trying to evaluate a predicate like Name == "Test". What do I need to do to specify in the rule that Name i ...Show All

• ringfinger How to use Role-base in Workflow

  I want to attack role-base on Activity in Workflow so the user who have exactly role that can run this activity. So anyone help me. Thank you In the samples we have two roles samples - one using AD roles and another using web roles. This would be a good starting point. If you want to create your own activity, you could put the role based validation logic in the executor for the custom activity that you c ...Show All

• KJO43 Unable to set focus on a list item

  I get the following exception in UISpy when trying to set the focus on a listitem of my custom (WinForms) list control: Exception Time Stamp : 6/1/2006 10:28 AM Element : "list item" "" Name : InvalidOperationException Message : Target element cannot receive focus. Stack Trace : at System.Windows.Automation.AutomationElement.SetFocus() at UISpy.Base.Node.SetFocus() My custom list item ...Show All

• Greenjedi Multiple input pin renderer filter

  Hi, Does anyone have any recommendations, guidelines or general advice for writing a multiple input pin renderer filter The CSource class abstracts the pins very neatly, but the CBaseRenderer class does not. I was wondering whether I should modify the CBaseRenderer class or just start from scratch (a slightly worrying prospect!). Thanks, Ivan. Hi Fredrik, I forgot to mention that I ...Show All

• Bhogoju Long Running Workflows with ASP.Net

  I am trying to figure out how to implement WWF properly for long running and ASP.Net 2.0.  I am hoping I can get some insite as I believe the idea is common, but my head can't fit the space for some reason. Scenario: User creates a request that must be approved by their department manager and a foreign department manager's approval.  The foreign department does not see this request until the first manager approves.  These ap ...Show All

• KrazyKevin WWF bug reporting site

  Where do we report bugs found in Windows Workflow Foundation I don't find a way to report WWF bugs at Product Feedback center. TIA. Thank you, Paul. Regards, Hi Mahalax, The product feedback center is being migrated to a new system so they wont let us add WF to it. The new system isn't going yet. Best to post bug reports on this forum where several of our test engineers monitor postings. Regards, Paul ...Show All

• Techquest WWF Designer Hosting

  i want to host WWF foundation on web application, so can plz guid me I have a sample on my blog of using it as a control in a html page and also generating an image from it (for visibility purposes ) http://www.masteringbiztalk.com/blogs/jon/PermaLink,guid,28601754-c305-4597-a0a6-48f32be1eddb.aspx now i get the following error System.Security.SecurityException: That assembly does not allow partia ...Show All

• rfmfix How to get Workflowinstance from a StateMachineWorkflowActivity ?

  Hi, I have created a statemachine workflow and exposed this as web service. Now i want to return workflowinstance from a method exposed through WebServiceResponse Activity. the problem is that i am able to get WorkflowInstanceId but not the workflowinstance. Interface IHelloWorld { Guid Process_Event(); //WorkflowInstance Process_Event(); void Review_Event(); void Approval_Event(); void Completed_Event(); ...Show All

• AmrendraKumar Do WWF provides support TCP services running using WSE2.0 or later

  I wonder, if WWF provides support for TCP services developed using WSE 2.0 Christian is right, you could support TCP/IP using custom activities.   Another option would be to layer on TCP communications on top of local services.   The Expense Reporting example we posted to the WindowsWorkflow.net site demonstrates how remote communications (in this case using WCF) could be layered on top of local services commun ...Show All

• TenBaseT QoS in Vista

  I am not sure if this is the correct forum for low level networking questions. We are running an app that works well on XP but fails on Vista. The problem is that we use QoS on RTP streams. After creating and destroying a few streams, we fail to allocate UDP sockets with QoS. Since this works well on XP and 2000 and the networking stack has changed in Vista, I was wondering if there could be a bug in freeing some QoS related resource that ends u ...Show All

• Wills DIrectSHow or WMF9 is best for streaming video

  Hello, I am currently assigned with a project to render video from a network camera.I am using C# . I an asked to develop an application which is very efficient.Also I need remote recording of the video. I am getting the data as mpeg-4 format from teh video server attached with the camera. CAn any body help me. For video capture I would probably look at DirectShow. However, I have been working with directshow a lot lately, so maybe I' ...Show All

• sbondale Uploading a Word 12 document

  Hi We have used the WinWF object model to upload a Word "12" document into the Document Library of a sharepoint site. Our requirement is to upload the document into the SharePoint site using code. We are having trouble opening the word document in the browser window. It would be helpful if somebody could help us with the following query... Is it possible to open the Word12 document in the browser window, if Office12 has ...Show All

• zorrro What are the future plans for Workflow Designer Control at Microsoft

  I have been trying to use the Workfow Designer Control (WDC) for a few days now and have some basic questions about Microsoft's plans for the WDC in future releases of the Workflow foundation. The WDC seems to have a lot of unimplemented areas in its current state. For example the Toolbox portion of the control does not even use the AddToolboxItem methods of the IToolboxService interface. In fact, it looks like the actual implementatio ...Show All