Dependency Property Coercion binding issues

Question

I have both VS2008 and VS2010 installed, and I see a very strange behavior

In VS2008, I have a simple WPF app:

Answer 1

You have to force an update via UpdateTarget(). Take a look at http://social.msdn.microsoft.com/forums/en-US/wpf/thread/c404360c-8e31-4a85-9762-0324ed8812ef/