WF4 ViewStateService

A comment posted by Notre asked for some more details about view state and attached property services, so I thought I would dive into those next.  I will follow-up in a subsequent post on the AttachedPropertyService, as there is a little bit more going on there. Motivation Why do I care about viewstate?  Well, usually…

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Where is System.Activities.Design in WF4 Beta2 and Beyond?

I got an email over the weekend asking about this, and I realized that it’s somewhat buried in this post here.  Anyway, in Beta1, you often saw System.Activities.Design.  For beta2 (and RTM), one important change System.Activities.Design  => System.Activities.Presentation The primary reason for this change is that the *.Design suffix is generally reserved for VS design…

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Finding the Variables in Scope Within the WF Designer

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…

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WF4 Beta1 => Beta2 Breaking Changes Document Published

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 feedback on…

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Types, Metatypes and Bears, Redux

I made a quick post a few months back where I tried to talk about the way the designer works and lets us design types, as well as simply configure instances of types. There were a couple of key points that I wanted to make there in that post: The workflow designer can configure instances…

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Navigating the WF4 Beta 2 Samples

Hot off the presses (and the download center) come the WF4 Beta 2 samples here.  The team has invested a lot of time into these samples and they provide a good way to get up to speed on the way a particular feature or group of features work together. Note, there are 2300 files to…

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WF4 Designer Enhancements in VS 2010 Beta 2

So, you might have heard that Beta2 has shipped.  I wanted to give a brief overview of the changes that have been made to the designer since beta1.  So, without further ado, here are my top 10 new designer features in Beta 2 New UI Expand in place Choose Toolbox Items Imports designer Text on…

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Introducing the WF4 Designer

// standard disclaimer applies, this is based on the released Beta 1 bits, things are subject to change, if you are reading this in 2012, things may be, look, smell, work differently.  That said, if it’s 2012 and you’re reading this, drop me a line and let me know how you found this!   As…

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