"Maarten Lankhorst" <[EMAIL PROTECTED]> wrote: > I've tried to do the GetWindowLongPtr GWLP_HINSTANCE thing but it > seems to always return 0 in wine, which according to msdn means error, > but it could just be not set in wine. Perhaps GWLP_HINSTANCE needs to > be set when the window is being created?
It works just fine in Wine, have a look at dlls/user32/tests/class.c, test_instances(). -- Dmitry.