The IDirectDrawSurface3::EnumAttachedSurfaces method enumerates all the surfaces attached to a given surface.
HRESULT EnumAttachedSurfaces(
LPVOID lpContext,
LPDDENUMSURFACESCALLBACK lpEnumSurfacesCallback
);
If the method succeeds, the return value is DD_OK.
If the method fails, the return value may be one of the following error values:
| DDERR_INVALIDOBJECT |
| DDERR_INVALIDPARAMS |
| DDERR_SURFACELOST |