(WF4.5) Enabling new .Net framework 4.5 features in your rehosted designer application

[Minor disclaimer: content in this post is based upon a non-final release candidate build of .Net 4.5] The workflow designer team had two slightly conflicting goals to tackle in .Net 4.5. Goal one: Make Workflow Designer more awesome for everyone in .Net 4.5. It should be easier to use, it should look better, and it…

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(WF4) Hosting the WorkflowDesigner (or other WPF stuff) in a separate AppDomain

A little while I begin a new rehosted designer project, and this time I want to get a little bit more creative with it, mixing in some of the stuff I have done earlier with XAML compilation. The more functionality like that I add, the closer to the Visual Studio scenario the scenarios it is…

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(WF4, Toolbox) Updating the WF4 Toolbox Icon FAQ (for Rehosting and Custom Activities)

Introit – call it whatever, but today I’m recycling an old post. And I have one more little confession. When I started writing a new rehosted app today, I found out my old toolbox FAQ was fairly useless. It was even getting to the point where someone had to post this in the forum: “I…

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(WF4) Rolling your own Undo Units in Workflow Designer .net 4.0

A long time go in a galaxy very, very close (so close it could be coincidental or indeed the same) I remember writing a couple things which touched upon Undo and Redo in workflow designer. Since someone invented hyperlinks, I should probably use this neat feature of the interwebs and point you at them. “Undoable…

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Working with Commands in a Workflow Designer Rehost Application

Issuing, Handling, and Intercepting Commands in a WF4 Rehosted Designer application. Background on Commands in WPF I thought I understood Commands, but when I found myself having difficulties explaining things to a customer last week I realized I had really just been muddling along without understanding commands at all. The first concept to understand is…

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