Assembly reference not found in XAML, but code compiles when referenced in xaml.cs class

Question

I\'ve got a strange problem adding a dll reference. I\'ve got a WPF application and am trying to use the WPF MDI library: http://wpfmdi.codeplex.com/

As stated in th

Answer 1

If Visual Studio will keep complaining and underlining even after you tried everything, simply terminate XDesProc.exe process using Task Manager and then rebuild solution. WPF and XAML support in Visual Studio is terrible underdone piece of shit.