Symphonary.NWGUI.OnClosing C# (CSharp) Метод

        protected override void OnClosing(CancelEventArgs e)
        {
            if (USE_OLD_SERIAL_READ_METHOD)
            {
                serialPortReadThread.Abort();
            }

            try {
                midiPlayer.OnClosingOperations();
            } catch (NullReferenceException ex) { }

            base.OnClosing(e);
        }