IDirectDraw_WaitForVerticalBlank 1399 3rdparty/include/dshow/ddraw.h #define IDirectDraw_WaitForVerticalBlank(p,a,b) (p)->lpVtbl->WaitForVerticalBlank(p,a,b) IDirectDraw_WaitForVerticalBlank 1425 3rdparty/include/dshow/ddraw.h #define IDirectDraw_WaitForVerticalBlank(p,a,b) (p)->WaitForVerticalBlank(a,b)