public Form1()
{
int handle = 0;
var numDevs = Midi.midiOutGetNumDevs();
MidiOutCaps myCaps = new MidiOutCaps();
var res = Midi.midiOutGetDevCaps(0, ref myCaps, (UInt32)Marshal.SizeOf(myCaps));
res = Midi.midiOutOpen(ref handle, 0, null, 0, 0);
res = Midi.midiOutShortMsg(handle, 0x000019C0);
res = Midi.midiOutShortMsg(handle, 0x007F3C90);
res = Midi.midiOutClose(handle);
InitializeComponent();
updateMinMajComboText();
updateNote();
}
public static extern int midiOutGetDevCaps(Int32 uDeviceID, ref MidiOutCaps lpMidiOutCaps, UInt32 cbMidiOutCaps);