MMIOM_GETHEADER - Remarks

This message requires that a valid hmmio handle be returned from a successful call to MMIOM_OPEN

See mmioGetHeader for more information about header information.

Examples of some header structures that lParam1 might point to are:

• MMIMAGEHEADER (includes structure length, content, size, color type, and other information, including space for a 256-color palette)

• MMAUDIOHEADER (includes such data as structure length, content, samples per second, and sample size)

• MMMIDIHEADER (contains all pertinent information about the MIDI)

• MMMOVIEHEADER

• MMVIDEOHEADER