Blend “Window is not supported in a WPF Project”

Question

I am having a frustrating time with Blend reporting \"Window is not supported in a Windows Presentation Foundation (WPF) project.\" due to unbuildable configurations but can\'t

Answer 1

There are also a few other reasons this could happen:

1) Missing references. Add a reference to PresentationCore, PresentationFramework, and WindowsBase

It could also be looking for .dlls from the wrong platform. I just solved my problem by making the following change:

In the .csproj file in question, change this line

x86

To

AnyCPU