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midiOutClose function

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 If the function is successful, the handle is no longer valid after the call to this function.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 codeDescription
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

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Mmsystem.h (include Windows.h)

Library

Winmm.lib

DLL

Winmm.dll

See also

MIDI Functions

 

 

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