HWPALETTEINFO

Input packet provided to the GRADD in the GHI_CMD_PALETTE function. 

typedef struct _HWPALETTEINFO {
  ULONG     ulLength;      /*  Size of the HWPALETTEINFO data structure, in bytes. */
  ULONG     fFlags;        /*  Palette flag. */
  ULONG     ulStartIndex;  /*  Starting palette index. */
  ULONG     ulNumEntries;  /*  Number of palette slots to query or set. */
  PRGB2     pRGBs;         /*  Pointer to the array of RGB values. */
} HWPALETTEINFO;

typedef HWPALETTEINFO *PHWPALETTEINFO;