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  • WF - Hello World via the Command Line (wfc.exe explained)

    Introduction A reader of mine noticed I'm using Visual Studio 2005 as the tool to create all of my Windows Workflow Foundation related samples, instead of taking my favorite minimal command-line approach to create basic samples. So here it is today: a simple Hello World demo of WF using the command...
    Posted to B# .NET Blog (Weblog) by bart on 12-07-2006
  • WF - Working with events and the ListenActivity

    Introduction This post builds upon the foundation created in yesterday's post about the HandleExternalEventActivity . Please follow the instructions in that post before continuing with this one. As you've learned from this previous post, waiting for an external event to occur is a very powerful mechanism...
    Posted to B# .NET Blog (Weblog) by bart on 10-19-2006
  • WF - Handling external events with HandleExternalEvent, External Data Exchange and Local Communications Services

    Introduction In yesterday's post , you learned that the vast majority of workflows need to exchange data with other parties to get their jobs done. Just one of the benefits of workflows is the possibility to visualize this kind of interaction by means of different activities, like the CallExternalMethodActivity...
    Posted to B# .NET Blog (Weblog) by bart on 10-18-2006
  • WF - Introducing External Data Exchange, the CallExternalMethodActivity and Local Communications Services

    Introduction Workflows don't stand on their own; they need a host application to run in but in a lot of cases there's more: external services are needed to provide functionality to the workflow. You might think, let's just use a CodeActivity to call into some piece of functionality but that doesn't offer...
    Posted to B# .NET Blog (Weblog) by bart on 10-17-2006
  • WF - Using the WorkflowMonitor in combination with Dynamic Updates

    Introduction In the past, I've been talking about making a workflow dynamic by applying changes to it at runtime: WF - How to make a workflow dynamic? - Part 1 WF - How to make a workflow dynamic? - Part 2 Yesterday , you learned how to use tracking (and persistence) services to visualize what's going...
    Posted to B# .NET Blog (Weblog) by bart on 10-16-2006
  • WF - Working with Tracking Services

    Introduction In the previous post I've covered the use of persistence services with Windows Workflow Foundation to enable long-running workflows in a reliable way. However, there's still another dark side to long-running workflows that needs a solution: what's happening inside? As you can imagine, a...
    Posted to B# .NET Blog (Weblog) by bart on 10-15-2006
  • WF - Working with Persistence Services

    Introduction In the past, I've been writing about WF quite a bit. If you haven't read these articles already, you might find it interesting to check these out first before digging into this one. That being said, this post will focus on persistence services (also known as state persistence services )...
    Posted to B# .NET Blog (Weblog) by bart on 10-14-2006
  • WF - Exposing a workflow via WCF

    Introduction In my previous post on Windows Workflow Foundation I covered how to expose a workflow via .NET 2.0 web services. You saw how easy it is to do this thanks to the built-in support in the Visual Studio 2005 Extension for Workflow. However, the next-generation service platform is Windows Communication...
    Posted to B# .NET Blog (Weblog) by bart on 09-04-2006
  • WF - Exposing a workflow through a web service

    Introduction Previously in my WF blog series I've been talking about the WF basics as well as dynamic updates to workflow instances at runtime. These posts had one thing in common: all of the demo applications were hosted in a simple console application, that was for the lion's part generated by the...
    Posted to B# .NET Blog (Weblog) by bart on 09-03-2006
  • WF - How to make a workflow dynamic? - Part 2

    Introduction One of the goals of workflows in general is to make "logic", "business processes", etc more visible by having a graphical representation of these. At design time it's pretty easy to compose a workflow using the Visual Studio 2005 designer but to this extent a workflow stays pretty static...
    Posted to B# .NET Blog (Weblog) by bart on 08-31-2006
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