This message is sent to an I/O procedure to request temporary changes in a file be made permanent. A new file name can be supplied to save the changes.

pmmioinfo (PMMIOINFO)

A pointer to an MMIOINFO data structure.

usMsg (USHORT)

Set to MMIOM_SAVE.

lParam1 (LONG)

Optional pszFileName parameter.

lParam2 (LONG)

This parameter is not used.

rc (ULONG)

Return codes indicating success or failure:

MMIO_SUCCESS

The file has been saved.
MMIO_ERROR
An error code is returned.

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