pszFileName (PSZ) - input

The name of the file to identify.

pmmioinfo (PMMIOINFO) - input

Pointer to an MMIOINFO structure. This parameter is needed when a RIFF compound-file element is not completely valid. Normally this is NULL.

pmmformatinfo (PMMFORMATINFO) - in/out

Pointer to an MMFORMATINFO structure that, upon return from the function, contains information about the I/O procedure that handles this format. This includes the media type, such as image, audio, and compound, and the I/O procedure FOURCC code value that can then be used to open the file for further processing. This is returned only upon successful completion.

pfccStorageSystem (PFOURCC) - output

A pointer that, upon return from the function, contains the FOURCC code of the storage system.

ulReserved (ULONG) - input

Reserved for future use and must be set to zero.

ulFlags (ULONG) - input

The following flags are defined:

MMIO_FORCE_IDENTIFY_SS

Forces the identification of a storage system by ignoring the file name and actually checking the MMIO Manager's I/O procedure list.
MMIO_FORCE_IDENTIFY_FF
Forces the identification of a file format by ignoring the file name and actually checking the MMIO Manager's I/O procedure list.

rc (ULONG) - returns

Return codes indicating success or type of failure. For information about DOS File errors, use the mmioGetLastError function.

MMIO_SUCCESS

If the function succeeds, 0 is returned.
MMIO_ERROR
The function failed for a reason different from any of the following returns in this list.
MMIOERR_INVALID_PARAMETER
An invalid parameter was passed.
MMIOERR_INTERNAL_SYSTEM
An internal system error occurred.

---

[Back] [Next]