IDirectDrawSurface_Lock 1946 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_Lock(p,a,b,c,d)              (p)->lpVtbl->Lock(p,a,b,c,d)
IDirectDrawSurface_Lock 1985 3rdparty/include/dshow/ddraw.h #define IDirectDrawSurface_Lock(p,a,b,c,d)              (p)->Lock(a,b,c,d)