MouGetPtrPos

typedef struct _PTRLOC {    /* moupl */
  USHORT row;               /* pointer row coordinate screen
                                 position */
  USHORT col;               /* pointer column coordinate screen
                                 position */
} PTRLOC;

#define INCL_MOU

USHORT  rc = MouGetPtrPos(PtrPos, DeviceHandle);

PPTRLOC          PtrPos;        /* Double word structure */
HMOU             DeviceHandle;  /* Mouse device handle */

USHORT           rc;            /* return code */