midiInGetNumDevs function (mmeapi.h)

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

Syntax

UINT midiInGetNumDevs();

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).

Requirements

Requirement	Value
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