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Hi all, I’m back, and apologize for the delay, things have been crazy here and I’ve taken a little time off following shipping VS2010, so I’m getting back into it.  I’d like to talk about one of my favorite late additions to the WF4 designer programming model.  We added this change sometime...

We’ve been hard at work here in Redmond (and with our team in Shanghai) working on getting WF ready for release.  We’ve made a ton of progress in the RC build that was made available yesterday , please download it and check it out.  Also, and in important bold text, if you have feedback, please...

In my last post , I covered using ActivityAction in order to provide a schematized callback, or hole, for the consumers of your activity to supply.  What I didn’t cover, and what I intend to here, is how to create a designer for that. If you’ve been following along, or have written a few designers...

On my last post , Jason jumped right to the punchline in his comment here . He asks “if there is an easy way to have the properties value serialized out to the xaml.” First, let’s look at what we need to do from the XAML side. First, create a helper type with a getter and setter for the property that...

I’ve been meaning to throw together some thoughts on attached properties and how they can be used within the designer.  Basically, you can think about attached properties as injecting some additional “stuff” onto an instance that you can use elsewhere in your code. Motivation In the designer, we...

In this thread , one of our forum customers asked the question: “how do I find all of the variables that are in scope for a given activity in the designer?” We do not have a public API to do this.  Internally we have a helper type called VariableHelper that we use to display the list of variables...

Fresh on microsoft.com downloads, you can get the details of the major breaking changes that occurred for WF between Beta 1 and Beta 2. Get the document here . We will publish a similar document for any changes between Beta2 and RTM, although that list should be on the shorter side.  If you have...