November, 2009

Posts
  • Cathy Dumas's Blog

    PDC09 – Wednesday wrapup

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    So the last post I wrote about session wish list was a pack of lies (well the weather report was quite valid!). I skipped the code visualization talk for Christian Schormann ’s Sketchflow talk. I had been playing with Sketchflow but I had no idea you...
  • Cathy Dumas's Blog

    PDC09 Tuesday session wishlist

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    Hello from sunny Los Angeles. I’m am shocked and pleased to be reporting to you from a place in a convention hall with actual daylight streaming through windows!!! I find all the besweatered locals amusing, personally I am wishing I brought shorts and...
  • Cathy Dumas's Blog

    ExpressionTextBox 101

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    The ExpressionTextBox is the basic building block for editing expressions in custom activity designers. If you’re writing a custom activity designer that uses expressions, you’ll use this control. This post is meant to provide an overview for custom activity...
  • Cathy Dumas's Blog

    Expression editing mechanics

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    This is what happens when you edit an expression in Visual Studio. To simplify things, pretend you started with a blank expression. Here’s what goes on behind the scenes: When you click on an ExpressionTextBox , an instance of the hostable editor is created...
  • Cathy Dumas's Blog

    Implementing a custom expression editor

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    I’ve seen a few forum posts about providing a richer expression editing experience in a rehosted workflow designer. There are two main scenarios in which you would want to implement your own expression editor: Work around the rather unfortunate...
  • Cathy Dumas's Blog

    Design time expression editing 101

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    Here are the basic implementation details that you should know about the design time expression editing experience in the WF designer. An expression is bound to an activity argument or property. In the designer, the expressions are displayed inside of...
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