how to capture screen from another desktop?(CreateDesktop)

Question

if one desktop isn't the current desktop，so，windows will not draw it .then capture the screen by DC was not work.

help me!!!

Answer 1

The best you can do is to use the technique described in this article:

http://www.fengyuan.com/article/wmprint.html

Basically, you have to fool the applications on the other desktop to redraw their windows into a DC of your choice. I did this once - it can be made to work, but it's by no means trivial.

There are many drawbacks - e.g. don't expect to be able to show a nice Aero style composited desktop.