user32/tests: Work around a failure on Windows < Vista.
Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -51,7 +51,12 @@ static void register_class(void)
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WNDCLASSA cls;
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cls.style = CS_DBLCLKS;
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cls.lpfnWndProc = DefWindowProcA;
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/* Windows < Vista apparently checks lpfnWndProc against the address of
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* DefWindowProcA(), and for some reason fails to change the thread desktop
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* after creating and destroying a window if it doesn't match. Using an IAT
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* (as is default) or a wrapper triggers this, so use GetProcAddress() as
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* a workaround. */
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cls.lpfnWndProc = (void *)GetProcAddress(GetModuleHandleA("user32"), "DefWindowProcA");
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cls.cbClsExtra = 0;
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cls.cbWndExtra = 0;
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cls.hInstance = GetModuleHandleA(0);
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