This message is used to pass MCI_STATUS messages to an I/O procedure.

pmmioinfo (PMMIOINFO)

A pointer to an MMIOINFO data structure.

usMsg (USHORT)

Set to MMIOM_STATUS.

lParam1 (LONG)

A pointer to an MMIO_STATUS_PARMS structure.

lParam2 (LONG)

This parameter is not used.

rc (ULONG)

Return codes indicating success or failure:

MMIO_SUCCESS

The request was successful.
MMIO_ERROR
An error code is returned.
MMIOERR_MISSING_FLAG
A required flag was not supplied with the command.
MMIOERR_INVALID_ITEM_FLAG
One or more of the item flags specified are invalid for this command.

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