Answer Questions

• anonymoosee vista on connect.microsoft.com

  Hi, I am a beta tester on connect.microsoft.com how do i enroll to beta test vista You can't enroll. It's by invitation from Microsoft. Vista beta testers are a mix of people selected via Microsoft Beta, and MSDN subscribers. From reading these forums it seems to have provided a much better mix of testers than the idiots on the Windows OneCare Live forums. Have a read of those if you want to know why ...Show All

• Ronan Jordan Getting Return Data from a sub Workflow

  Hello. I am calling a sub workflow from a work flow via the "invokeWorkflow" shape. Here is my problem. The sub workflow returns a value that is displayed via a web service. How can I retrieve that value from the sub workflow in the main workflow The master web service passes a value into the main workflow, and that value is in turn passed in the sub workflow so that it can perform its work. Now I need to get the return value back. ...Show All

• peace467 Questions about my ASP.NET scenario

  I have some simple question about my asp.net scenario. My web app has to manage a thesis request, from a student against a teacher. For the moment I consider a simpler view of the workfow. A student can do a request of a thesis and a teacher can approve or reject the request. We consider only this simple scenario. The questions are: 1)I have something like StudentService and TeacherService. Do I add these services at the runtime each time before ...Show All

• Luc C Inheriting from SequentialWorkflow

  I'm looking into using Windows Workflow Foundation as part of one of our applications. Users will be able to create their own workflows.  I'd like to be able to require our users to use workflows that meet certain requirements (e.g. have certain inputs). To do this, I was thinking that it would be nice to be able to create a base class that defines the input parameters to the workflow and perhaps some common methods to get at the data. U ...Show All

• wyrzy How to use the IAMCrossbar interface

  Hi everybody: can you provide me a sample to describe the use of IAMCrossbar interface. thanks a lot ICaptureGraphBuilder2 is the recommended way to add a crossbar. Even if you build the rest of the graph manually, you can call ICaptureGraphBuilder::FindInterface to insert the crossbar filter (if needed) and get the IAMCrossbarFilter pointer. By the way, crossbar filters are only required for some hardware. If the hardware doesn't ...Show All

• Proachbass91 Class not registered error

  I'm trying to get an enumeration of various devices using the Multimedia Device API on Windows XP. But when I try to create a MMDeviceEnumerator, CoCreateInstance fails with a "class not registered" result. I'd guess that I missed a step in setting all this up, but I have no idea what that step is. If anyone could point me in the right direction, I'd greatly appreciate it. Hi, I'm trying to ...Show All

• Djgann TransactionScope

  My requirement is like this... i have placed only 2 custom Activities in Transaction Scope. In transaction Scope i need to check the following statement (put one code Activity in Transaction scope and write the following code) (if a==2) { Sendmail //Dynamically adding using WF changes } else { goto fault handler (or ) Add Throw Activity Dynamically using WF changes } 1) is the above approach i ...Show All

• David 111 VS2005 froozen (100% CPU)

  Hello, When I install Visual Studio 2005 extension for worklow fondation on Visual studio 2005 professional, my computer (win XP pro sp2) use 100% CPU for a long (I have wait more than 20 minutes before cancelling) time. Can somebody give me some information for solving this issue Patrick Uninstalling AnkhSVN worked - VS 2005 stops hanging on startup. I uninstalled JetBrains ReSharper 2.0 EAP#214 first, but that wasn' ...Show All

• Vivekthangaswamy Sharing same workflow instance with two different WWF Runtimes

  Hi, is it possible to share the same workflow with two different workflow runtimes on two different hosts. This means both runtimes can listen to events for the same workfow instance, however each will listen to different events within the workflow instance not the same event. Hi Paul, Thanks for the answer, however i want to ask about the scalability of the WWF. I have noticed that for each workflow instance it requires its own Th ...Show All

• Omar AlAmoudi Error occurred while Loading Workflow

  I have created a NEW simple StateMachineWorkflow project. Upon creation the designer view tries to render and I get the following error: Error occurred while Loading Workflow An error occurred while loading the workflow Please correct the following error and try reloading the document to view the Workflow CodeDomDesignerLoaderNoRootSerializer Non StateMachine projects seem to work fine. Any thoughts Is it possible for you to send th ...Show All

• Adrian w duplicate ruleconditionsattribute

  hello. while building exercise 3 code of the hand on labs i'm getting an error which says "Duplicate System.Workflow.Activities.Rules.RuleConditionsAttribute attribute". i've tried rebuilding the owrkflow by using the code only option. now i get another error: activity XXX validationfailed: can not find the condition autoapprovecondition. check if the condition is defined in the conditions file btw,  i've checked and in both cases there's a ...Show All

• liffey ASP.NET and workflow foundation

  hi, i just want to inquire if it is necessary to host the workflow in IIS remote object if my client is ASP.NET Or can I directly instantiate my workflow in ASP.NET how about session issues Is there any known problem on this strategy Hi, Here is a link to a thread that has information on hosting in ASP.NET that sould give you the information that you need. http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=397690&SiteID=1 ...Show All

• irrdev Vista + Dual Core Proc

  Sorry if this has been asked or if I'm in the wrong forum. I'd like to test vista on a 3.0 dual core proc system. Will Vista run on a dual core proc or will it ask me to disable the dual core function If it wont work, any ideas when it will Appreciate your time. -Vincent Of course, I'm running it on a Dell XPS dual core - it's great. -Jeff http://www.jwfisher.com/sec-vista/ <== Vista tour (300 ...Show All

• TomGK2006 Which style should I use for such workflow?

  I have a workflow working like this: It is basically linear from activity 1 to activity 2, activity 2 to activity 3, ....activity n-1 to activity n . But it is possible from activity n to go back to activity n-1. Is there a simple way to handle this in WWF framework Thanks, Chester Arjun, Thank you for your suggestion. I am wondering why sequential workflow cannot handle my case. My workfl ...Show All

• dtvsms StateMachine- or SequentialWorkflow?

  Here is a challenge for ya… I have a business process which we’d like to implement with WF. However, I feel a bit limited by the two types of workflows, each having its strength and disadvantages. Short description:    A person wants to apply to start a new school. The application submitted to the workflow holds information about the school as well as information about the applicant. See Activity Diagram The application could ...Show All