How to access the content of BITBLT ?

Blitz3D Forums/Blitz3D Userlibs/How to access the content of BITBLT ?

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Of course, there is yet another problem :) Now grabing frames in fullscreen mode works ok, but since I want to mix etc. multiple movies and then save them immediately to a destination Avi, I need to use BlitzAvi. BlitzAvi works perfectly in windowed mode (thanks to the author, BTW), but in Fullscreen Mode the App pauses after the overwrite-file-dialog as well as after the Codec Selection Dialog. It pauses until I minimize the Blitz Fullscreen App using Alt-Tab, and then maximize it again manually. I tried a lot of automatic Minimizing, Maximizing etc. using SetWindowPos, but nothing seemed to work. The problem is, when I minimize a Blitz Fullscreen App, it will be kind of frozen until somebody clicks its icon. Probably I sould run a second task that will watch the main app and forces it to be maximized a few seconds after losing focus - but that's real messy. Any better ideas?