The Activity Designer

Not actually a WF 4.0 blog any more :)

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  • Blog Post: (WF4) ExpressionTextBox Expression Property and ArgumentToExpressionConverter

    There are many examples of binding ETB, but I notice they tend to be short on the details of why the example code looks as it does. Maybe it is because we are short on the ‘why’ that people can get a little lost once they want to do something other than the well-documented scenarios (e.g...
  • Blog Post: (WF4) Lesser Known WF Features: WorkflowDataContext

    Sometimes it happens that via the forums I learn about a new [to me] beast in the WF Zoo. Today that animal is WorkflowDataContext . The MSDN document is terse: “Represents the data context of the current workflow environment and provides a bridge to bring workflow arguments and variables...
  • Blog Post: (WF4) Showing an InArgument<bool> as a CheckBox in the Workflow Designer Property Grid

    Here’s a workflow designer FAQ finally getting the attention it deserves, and helping show off how to do custom property editing in designer. “How do I show an InArgument<bool>/<enum> in the property grid as a checkbox/combobox?”   [Aside: Before we start the guide, note that actually...
  • Blog Post: Navigating the Workflow Tree (WF 4.0 Workflow Designer)

    People who who start interesting things in rehosted designer applications or just VS, will often find that they will want to navigate through the workflow tree, looking for activities, arguments, variables, and so on. There are a few facts it can be helpful to understand before you start your coding...
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