The MOM_DONE message is sent to a MIDI output callback function when the specified system-exclusive or stream buffer has been played and is being returned to the application.
MOM_DONE
dwParam1 = (DWORD) lpMidiHdr
dwParam2 = reserved
This message does not return a value.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in mmsystem.h.
Musical Instrument Digital Interface (MIDI) Overview, MIDI Messages, MIDIHDR