private bool HandleControlChange(ControlChangeEvent e) { switch (e.ControlNumber) { case 64: //Sustain Pedal if (e.ControlValue >= 64) { sustains.Clear(); sustainPedal = true; } else { sustainPedal = false; var index = channelMap[e.Channel]; var input = Synthesizer.GetInput(index); input.Envelope.ReleaseDuration = SustainPedalDuration; input.Envelope.Release(); sustains.Clear(); } return(true); } return(false); }