This structure contains information used on an MMIOM_STATUS message.
typedef struct _MMIO_STATUS_PARMS {
HWND hwndWindow; /* Window handle. */
ULONG ulReturn; /* Return information. */
ULONG ulItem; /* Status item. */
ULONG ulValue; /* Status value. */
ULONG ulType; /* Format. */
} MMIO_STATUS_PARMS;
typedef MMIO _ STATUS _ PARMS * PMMIO _ STATUS _ PARMS ;