## Graphics Adapter Device Driver Reference

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### GHI_CMD_USERCAPS Parameter - pOut

pOut (PVOID) - output Pointer to a buffer area.

Pointer to a buffer area whose format depends on the value of the ulFunction field of the USERCAPSIN structure pointed to by pIn.

If pIn->ulFunction is QUERYCAPS, pOut points to a ULONG count followed by an array of DRIVERCAPS structures. If pIn->ulFunction is QUERYCAPSLIST or SETCAP, pOut points to a DRIVERCAPS structure.

The length of the buffer area provided is specified by the ulSize field of the USERCAPSIN structure pointed to by pIn.