How do you get Visual Studio to recognise XAML changes?

Question

I have just started with WPF so am probably missing something simple here. I have a window that I am editing in VS 2010. When I change the XAML by hand and then run the appl

Answer 1

It turns out that my UI project was not set to build in the configuration I had selected. Although it was set to build in Debug x86 I had set the current config to Debug Any CPU.