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midiOutReset function

The midiOutReset function turns off all notes on all MIDI channels for the specified MIDI output device.

Syntax


MMRESULT midiOutReset(
  HMIDIOUT hmo
);

Parameters

hmo

Handle to the MIDI output device. This parameter can also be the handle of a MIDI stream cast to HMIDIOUT.

Return value

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

Return codeDescription
MMSYSERR_INVALHANDLE

The specified device handle is invalid.

 

Remarks

Any pending system-exclusive or stream output buffers are returned to the callback function and the MHDR_DONE flag is set in the dwFlags member of the MIDIHDR structure.

Terminating a system-exclusive message without sending an EOX (end-of-exclusive) byte might cause problems for the receiving device. The midiOutReset function does not send an EOX byte when it terminates a system-exclusive message — applications are responsible for doing this.

To turn off all notes, a note-off message for each note in each channel is sent. In addition, the sustain controller is turned off for each channel.

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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