WindowChrome - Can't click buttons in titlebar

Question

I have a custom WindowChrome style for my WPF app (ripped from here: http://www.bdevuyst.com/wpf-custom-title-bar-and-taskbar/).

Code here:

Answer 1

Small addition to the correct answer. If you have something like:

And your buttons do not react to clicks - just REMOVE "shell:"

This will make them work