workflow-foundation-4

问题 Folks, I've been having some trouble with a WF4 problem. I'm modeling a batch engine/work scheduler after Ron Jacobs' demo in his endpoint.tv webcast (http://archive.msdn.microsoft.com/wf4BatchJob). In his example, the "work branch" just counts inside a while loop. For my sample, I send a message to another workflow called SampleEngine.xamlx which does the counting. Every count, this workflow calls back to the parent (JobScheduler.xamlx) and reports progress completed. This works perfectly

问题 Team: I need to invoke a WF activity (XAML) from a WF service (XAMLX) asynchronously. I am already referencing the Microsoft.Activities.Extensions framework and I'm running on the Platform Update 1 for the state machine -- so if the solution is already in one of those libraries I'm ready! Now, I need to invoke that activity (XAML) asynchronously -- but it has an output parameter that needs to set a variable in the service (XAMLX). Can somebody please provide me a solution to this? Thanks! *

问题 Lets say I have persisted self-hosted workflows (running locally IIS express) that use WorkflowApplication programmatically by using the SqlWorkflowInstanceStore object model. app.PersistableIdle = delegate(WorkflowApplicationIdleEventArgs e) { return PersistableIdleAction.Unload; }; Then, I accidentally / deliberately stopped my web application, restarted my visual studio (local development). My questions: Restarted my application, How would I retrieve last persisted application instance

问题 I am developing a WF4 application. The workflows are hosted in an ASP.NET website. For development, I am using IIS express. When debugging between edit cycles I get this error: System.ServiceModel.FaultException`1 was unhandled by user code Message=The requested resource has moved to the one of the following locations: https://localhost:44305/Workflows/PerformanceAppraisal/Exempt.xamlx StackTrace: at System.ServiceModel.Channels.ServiceChannel.ThrowIfFaultUnderstood(Message reply,

问题 I have a workflow service that runs and performs a number of different operations (such as web service calls). If one of these operations fails I call an error reporting web service to notify a seperate system that one of my workflow operations has failed. As the error could be something like the web service being down, I loop and retry this operation until it works. There can be times though when the data I'm passing to this web service is faulty and it needs changing. So I need to be able

问题 I'm trying to duplicate the functionality below using web.config since I'm using webserver hosted .xamlx services host.WorkflowExtensions.Add(new HiringRequestInfoPersistenceParticipant()); I've tried the following from what I've been able to gather searching, but no satisfaction. <extensions> <behaviorExtensions> <add name="sqlTracking" type="ApprovalService.Persistence.HiringRequestInfoPersistenceParticipant, ApprovalService.Persistence" /> </behaviorExtensions> </extensions> Any help would

问题 I'm developing a self host workflow in vs2012/.Net 4.5/WF 4.5 and having quite a hard time figuring out the following message Expression Activity type 'CSharpValue`1' requires compilation in order to run. Please ensure that the workflow has been compiled. This error happens when i call a activity generated by a service reference (When you add a WCF service reference, each action on the endpoint become a activity). Looking around in MSDN i've came across these articles: http://msdn.microsoft

问题 I am having a peculiar issue while executing workflows. I have tried everything I could think of and now need ideas. Here is my configuration: 1. A WF4 Workflow Service (xamlx) hosted in IIS 7 and uses net.msmq/netMsmqBinding for transport (MSMQ is transactional). 2. No Workflow Persistence is used. 3. I use a console app client to send messages to the workflow (each message creates new workflow). 4. Each workflow looks like: Wait for START message -> Wait for END message (I only send START

问题 I am creating a custom build tfs activity to be used inside the azure continuous integration. I have used the code from this blog: http://www.ewaldhofman.nl/post/2010/06/01/Customize-Team-Build-2010-e28093-Part-10-Include-Version-Number-in-the-Build-Number.aspx As you can see AssemblyInfoFileMask in the code below its public. Also please check the screenshot to see what I meant, BuildDetail its on the same class and doesnt show me the error in the blue icon. I will paste it here the code as

问题 I've got an Outer activity which has a Body onto which you drag other activities. I then have several Inner activities, which MUST be a descendent of an Outer activity. I'd like to add design-time validation to ensure the Inner is placed within an Outer. I've heard that I "can use System.Activities.Validation.GetParentChain to enumerate all of the parents of an activity during the validation step". But even after reading the documentation for the class, I have no idea how to use it. I would