IDirectDrawSurface_Flip 1932 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_Flip(p,a,b)                  (p)->lpVtbl->Flip(p,a,b)
IDirectDrawSurface_Flip 1971 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_Flip(p,a,b)                  (p)->Flip(a,b)