typedef struct _DD_SURFACE_LOCAL{
PDD_SURFACE_GLOBAL lpGbl;
DWORD dwFlags;
DDSCAPS ddsCaps;
DWORD dwReserved1;
DDCOLORKEY ddckCKSrcBlt;
DDCOLORKEY ddckCKDestBlt;
} DD_SURFACE_LOCAL;
The DD_SURFACE_LOCAL structure contains surface-related data that is unique to an individual surface object.