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Workflow property not showing up in bind list

Posted By:      Posted Date: October 18, 2010    Points: 0   Category :WPF
Hi, apologies if there's an answer to this already, I wasn't able to find one via the search.

I have a workflow that has a property of type CustomObject, where CustomObject is an class I created with a few simple properties.  I have a custom activity in that workflow that has a dependency property of type CustomObject.

I'm trying to bind these two properties but the workflow's CustomObject doesn't show up in the 'Bind to an existing member' dialog box when I click on the bind icon in the custom activity's properties.

Now there's a twist here in that I have the CustomObject class in a separate library.  If I put it in the workflow library it DOES show up in the binding dialog.  If I put it back in the separate library it no longer appears in the dialog.

Binding the two properties in the designer adds an activity binding to the designer.cs file and if I keep that auto-generated code the workflow still works even if I move the CustomObject out to a separate library.  It just doesn't show up in the WF designer binding dialog box.

Anyone know how I can get this object to be bindable via the designer?  I don't want to have to worry about that binding code.  From what I can tell it looks like the designer filters the 'bind to existing members' dialog based on the type of the properties in the workflow and in my case it can't figure out

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