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Alexander Larsson authored
Rather than set the window update region and repaint this region when we get a WM_PAINT we just directly add it to the update region. No need to roundtrip via win32. This lets us also make sure we do this drawing in the same update cycle. This seems especially important on Win7, because ScrollDC seems to act kind of weird there, not using bitblt in areas where it seemingly could, which makes scrolling look really flashy. http://bugzilla.gnome.org/show_bug-cgi?id=674051
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