/// <summary>
/// Opens a MIDI output device.
/// </summary>
/// NOTE: This is adapted from the original Win32 function in order to make it typesafe.
///
/// Win32 docs: http://msdn.microsoft.com/en-us/library/ms711632(VS.85).aspx
public static MMRESULT midiOutOpen(out HMIDIOUT lphmo, UIntPtr uDeviceId,
MidiOutProc dwCallback, UIntPtr dwCallbackInstance)
{
//return midiOutOpen(out lphmo, uDeviceID, dwCallback, dwCallbackInstance,
// dwCallback == null ? MidiOpenFlags.CALLBACK_NULL : MidiOpenFlags.CALLBACK_FUNCTION);
return(midiOutOpen(out lphmo, uDeviceId, dwCallback, dwCallbackInstance,
dwCallback == null
? MidiOpenFlags.CALLBACK_NULL
: MidiOpenFlags.CALLBACK_FUNCTION& MidiOpenFlags.MIDI_IO_STATUS));
}
private static extern MMRESULT midiOutOpen(out HMIDIOUT lphmo, UIntPtr uDeviceId,
MidiOutProc dwCallback, UIntPtr dwCallbackInstance, MidiOpenFlags dwFlags);
public static extern MMRESULT midiOutUnprepareHeader(HMIDIOUT hmo, IntPtr lpMidiOutHdr, uint cbMidiOutHdr);
public static extern MMRESULT midiOutLongMsg(HMIDIOUT hmo, IntPtr lpMidiOutHdr, uint cbMidiOutHdr);
public static extern MMRESULT midiOutShortMsg(HMIDIOUT hmo, uint dwMsg);
public static extern MMRESULT midiOutClose(HMIDIOUT hmo);
public static extern MMRESULT midiOutReset(HMIDIOUT hmo);
