The MM_MOM_DONE message is sent to a window when the specified MIDI system-exclusive or stream buffer has been played and is being returned to the application.
MM_MOM_DONE
wParam = (WPARAM) hOutput
lParam = (LPARAM) lpMidiHdr
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