midiInGetNumDevs function

The midiInGetNumDevs function retrieves the number of MIDI input devices in the system.


UINT midiInGetNumDevs(



This function has no parameters.

Return Value

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


Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header mmeapi.h (include Windows.h)
Library Winmm.lib
DLL Winmm.dll

See Also

MIDI Functions