## Graphics Adapter Device Driver Reference

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### HWREQIN

Input packet to the GHI_CMD_REQUESTHW function.

    typedef struct _HWREQIN {

      ULONG      ulLength;         /*  Size of the HWREQIN data structure, in bytes. */

      ULONG      ulFlags;          /*  Request option flags. */

      ULONG      cScrChangeRects;  /*  Count of screen rectangles affected by HWREQIN. */

      PRECTL     arectlScreen;     /*  Array of screen rectangles affected by HWREQIN. */

    } HWREQIN;

    typedef   HWREQIN   * PHWREQIN ;