MouRemovePtr

typedef struct _NOPTRRECT {   /* mourt */
  USHORT row;                 /* upper left row coordinates */
  USHORT col;                 /* upper left column coordinates */
  USHORT cRow;
  USHORT cCol;
} NOPTRRECT;

#define INCL_MOU

USHORT  rc = MouRemovePtr(PtrArea, DeviceHandle);

PNOPTRRECT       PtrArea;       /* Address of pointer data block */
HMOU             DeviceHandle;  /* Mouse device handle */

USHORT           rc;            /* return code */