// ISSUE-2000/09/21-FrankYe What is friendly name for? EXTERN_C LONG SadAddGfxToZoneGraph ( HANDLE hSad, HANDLE hGfx, PCTSTR GfxFriendlyName, PCTSTR ZoneFactoryDi, ULONG Type, ULONG Order ); EXTERN_C LONG SadRemoveGfxFromZoneGraph ( HANDLE hSad, HANDLE hGfx, PCTSTR GfxFriendlyName, PCTSTR ZoneFactoryDi, ULONG Type, ULONG Order );