Take screenshot of DirectX full-screen application

Question

This boggles me. DirectX bypasses everything and talks directly to the device driver, thus GDI and other usual methods won\'t work - unless Aero is disabled (or unavailable

Answer 1

Here is some discussion of how Fraps works. It is not simple.

http://www.woodmann.com/forum/archive/index.php/t-11023.html

Any trick that tries to read the front buffer from a different DirectX device, I suspect may only occasionally work due to luck of uninitialized memory.