IDirectDrawSurface4_IsLost 2379 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface4_IsLost(p)                    (p)->lpVtbl->IsLost(p)
IDirectDrawSurface4_IsLost 2430 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface4_IsLost(p)                    (p)->IsLost()