Output packet returned by the GRADD to the caller of the GHI_CMD_VRAM function via the VRAMIN data structure.
typedef struct _VRAMREGISTEROUT {
ULONG ulLength; /* Size of the VRAMREGISTEROUT data structure, in bytes. */
ULONG ulFlags; /* Not used at this time. */
ULONG ulHandle; /* Handle returned on register. */
} VRAMREGISTEROUT;
typedef VRAMREGISTEROUT *PVRAMRGISTEROUT;