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The midiOutMessage function sends a message to the MIDI device drivers. This function is used only for driver-specific messages that are not supported by the MIDI API.
DWORD midiOutMessage(
HMIDIOUT deviceID,
UINT msg,
DWORD_PTR dw1,
DWORD_PTR dw2
);
Parameters
deviceID
Identifier of the MIDI device that receives the message. You must cast the device ID to the HMIDIOUT handle type. If you supply a handle instead of a device ID, the function fails and returns the MMSYSERR_NOSUPPORT error code.
msg
Message to send.
dw1
Message parameter.
dw2
Message parameter.
Return Values
Returns the value returned by the audio device driver.
Requirements
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Mmsystem.h; include Windows.h.
** Library:** Use Winmm.lib.
See Also