IDirectDrawSurface4_Flip 2366 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface4_Flip(p,a,b)                  (p)->lpVtbl->Flip(p,a,b)
IDirectDrawSurface4_Flip 2417 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface4_Flip(p,a,b)                  (p)->Flip(a,b)