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midiOutClose function (mmeapi.h)

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The midiOutClose function closes the specified MIDI output device.

Syntax

MMRESULT midiOutClose(
  HMIDIOUT hmo
);

Parameters

hmo

Handle to the MIDI output device. If the function is successful, the handle is no longer valid after the call to this function.

Return value

Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.

Return code Description
MIDIERR_STILLPLAYING
 Buffers are still in the queue.
MMSYSERR_INVALHANDLE
 The specified device handle is invalid.
MMSYSERR_NOMEM
 The system is unable to load mapper string description.

Remarks

If there are output buffers that have been sent by using the midiOutLongMsg function and have not been returned to the application, the close operation will fail. To mark all pending buffers as being done, use the midiOutReset function.

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