private void MIDIInList_SelectedIndexChanged(object sender, EventArgs e)
{
if (handle != IntPtr.Zero)
{
WinMM.midiInStop(handle);
WinMM.midiInClose(handle);
}
midiInProc = new WinMM.MidiInProc(MidiProc);
int retval = WinMM.midiInOpen(out handle, MIDIInList.SelectedIndex, midiInProc, IntPtr.Zero, WinMM.CALLBACK_FUNCTION);
WinMM.midiInStart(handle);
}
public void Open(MidiInHandler callback)
{
proc = new WinMM.MidiInProc((int h, uint msg, uint instance, uint param1, uint param2) => callback(this, new MidiMessage(param1, param2)));
WinMM.midiInOpen(ref handle, Id, proc, 0, WinMM.CALLBACK_FUNCTION);
opened = true;
}
