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
Pointer to a MIDIHDR structure identifying the buffer.
Reserved; do not use.
This message does not return a value.
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Mmsystem.h; include Windows.h.