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Exception caused by RibbonBar.OnLostKeyboardFocus
In my WPF app the following occurs:
When I click any button in the ribbon, and afterwards I click a hyperlink in the rest of the window, it throws the following exception: (see attached file).
I'm not totally sure if it is a bug in the Ribbon or in .NET (using v4), but it would be nice if it could be avoided.
And I wanna thank you for this GREAT control library!