IDirectDrawSurface_IsLost 1945 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_IsLost(p)                    (p)->lpVtbl->IsLost(p)
IDirectDrawSurface_IsLost 1984 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_IsLost(p)                    (p)->IsLost()