WPF - Graphics.CopyFromScreen returns a black image

Question

The following method is taken from a WinForms app. It simply captures the screen, but I needed to modify it to work in a WPF application. When I use it, it returns a black image

Answer 1

I believe you need to use Interop and the BitBlt method. This blog explains how this is done, and a follow-on post that shows how to get window borders.