get_surface       172 samples/directx/d3d10_interop.cpp             r = get_surface(&pSurface);
get_surface       176 samples/directx/d3d11_interop.cpp             r = get_surface(&pSurface);
get_surface       149 samples/directx/d3d9_interop.cpp             r = get_surface(&pSurface);
get_surface       149 samples/directx/d3d9ex_interop.cpp             r = get_surface(&pSurface);