MMIOM_ENDINSERT - Description

This message is sent to an I/O procedure to request that all subsequent mmioWrite calls overwrite data at the current seek position rather than inserting the data. This is the default mode of operation for an I/O procedure.

pmmioinfo (PMMIOINFO)

A pointer to an MMIOINFO data structure.

usMsg (USHORT)

Set to MMIOM_ENDINSERT.

lParam1 (LONG)

This parameter is not used.

lParam2 (LONG)

This parameter is not used.

rc (ULONG)

Return codes indicating success or failure:

MMIO_SUCCESS

The file is in overwrite mode.
MMIO_ERROR
An error code is returned.

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