LRESULT CALLBACK WndProc(...)
{
case WM_CREATE:
....
return 0;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
WM_CTLCOLORSCROLLBAR
原文：http://www.cnblogs.com/dream-IT/p/3958417.html