public bool Stop() { if (this._device == IntPtr.Zero) { return(true); } if (!this._started) { return(true); } this._closing = true; this._lastError = Midi.MIDI_InStop(this._device); if (this._lastError == MIDIError.MIDI_OK) { this._started = false; this.FlushShortMsgStack(); this.RaiseMessageReceived(MidiMessageEventType.Stopped, null); } this._closing = false; return(!this._started); }