The midiOutGetNumDevs function retrieves the number of MIDI output devices present in the system.

UINT midiOutGetNumDevs(VOID); 


This function takes no parameters.

Return Values

Returns the number of MIDI output devices. A return value of zero means that there are no devices (not that there is no error).


  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.
  Library: Use Winmm.lib.

See Also

Musical Instrument Digital Interface (MIDI), MIDI Functions