pszFileName (PSZ) - input

The file name of the media object. This parameter can be NULL.

pmmioinfo (PMMIOINFO) - input

A pointer to a MMIOINFO data structure that might contain additional data. Normally this is NULL, but is needed for compound-file elements that are not completely valid.

pfccStorageSystem (PFOURCC) - in/out

Pointer to the FOURCC of the storage system that is returned when successfully completed.

pszParsedRemainder (PSZ) - in/out

Pointer to the parsed file name that is returned when successfully completed.

rc (ULONG) - returns

Return codes indicating success or type of failure. For information about DOS File errors, see ulErrorRet in MMIOINFO.

MMIO_SUCCESS

If the function succeeds, 0 is returned.
MMIO_ERROR
Unable to determine the FOURCC of the IOProc.
MMIOERR_INVALID_PARAMETER
An invalid parameter was passed.

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