| DWORD | dwSize; | // size of structure |
| DWORD | dwDCICaps; | // capability flags |
| DWORD | dwCompression; | // format of surface to be created |
| DWORD | dwMask[3]; | // for nonstandard RGB surfaces |
| DWORD | dwWidth; | // width of surface |
| DWORD | dwHeight; | // height of surface |
| LONG | lStride; | // stride of surface |
| DWORD | dwBitCount; | // bit depth of format |
| DWORD | dwOffSurface; | // surface offset; |
| WORD | wSelSurface; | // surface selector |
| WORD | wReserved; | // for alignment -- to be ignored |
| DWORD | dwReserved1; | // reserved for Provider |
| DWORD | dwReserved2; | // reserved for DCIMAN |
| DWORD | dwReserved3; | // reserved for future |
| DCIRVAL (CALLBACK *BeginAccess) (LPVOID, LPRECT); | // BeginAccess Fn |
| void (CALLBACK *EndAccess) (LPVOID); | // EndAccess Fn |
| void (CALLBACK *DestroySurface) (LPVOID); | // DestroySurface Fn |