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!!!
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!!!
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.