Copying content from a hidden or clipped window in XP?

Question

I need to copy the content of a window (BitBlt) which is hidden, to another window. The problem is that once I hide the source window, the device context I got isn\'t painte

Answer 1

For a window that is hidden behind another window you can set it to be transparent (with a high alpha so that it doesn't look transparent). It should then be possible to capture the whole window with BitBlt.