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Double Buffer Window

 
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cnodnarb
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Joined: 11 Sep 2002
Posts: 763
Location: Eastman, GA
PostPosted: Tue Aug 28, 2012 5:29 pm    Post subject: Double Buffer Window Reply with quote
I've been having my controls fail to redraw a lot lately between DirectX apps and DWM spoofing things up.

The trick is, double buffer your window. This will keep your controls from not being redrawn properly.

This must be declared before the dialog is shown.

Code:

LOADLIB user32.dll
%%knockout = @lib(user32,SetWindowLongA,INT:,%%k,-20,INT: $2000000)
FREELIB user32.dll
Dialog Show
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PGWARE
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Joined: 29 Dec 2001
Posts: 1564
PostPosted: Wed Aug 29, 2012 4:17 am    Post subject: Reply with quote
Yes this helps reduce flicker as well if you are animating images or moving controls. However be aware that it doubles up the memory usage of your application.
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