MovablePython.Hotkey.Unregister C# (CSharp) Method

        public void Unregister()
        {
            // Check that we have registered
            if (!this.registered)
            { throw new NotSupportedException("You cannot unregister a hotkey that is not registered"); }

            // It's possible that the control itself has died: in that case, no need to unregister!
            if (!this.windowControl.IsDisposed)
            {
                // Clean up after ourselves
                if (Hotkey.UnregisterHotKey(this.windowControl.Handle, this.id) == 0)
                { //throw new Win32Exception();
                }
            }

            // Clear the control reference and register state
            this.registered = false;
            this.windowControl = null;
        }

        static void Main()
        {
            System.Threading.Mutex Mu = new System.Threading.Mutex(false, "{ed4a1d54-416d-47eb-adb6-9a2d47e96774}");
            if (Mu.WaitOne(0, false))
            {
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);

                Settings settings = new Settings();

                Writer log = new Writer(settings);

                ForegroundWindow foregroundWindow = new ForegroundWindow();

                #region NotifyIconMenu
                ContextMenuStrip contextMenuStrip = new ContextMenuStrip();
                NotifyIconMenu notifyIconMenu = new NotifyIconMenu(contextMenuStrip, settings);
                notifyIconMenu.FocusHandler = foregroundWindow;
                notifyIconMenu.AddMenuItem(new TextEimer.Windows.MenuItems.Separator());
                notifyIconMenu.AddMenuItem(new TextEimer.Windows.MenuItems.Options("Optionen", settings));
                notifyIconMenu.AddMenuItem(new TextEimer.Windows.MenuItems.QuitItem("Beenden", "quit"));
                notifyIconMenu.LogWriter = log;
                #endregion

                #region NotifyIcon
                NotifyIcon notifyIcon = new NotifyIcon();
                notifyIcon.ContextMenuStrip = notifyIconMenu.contextMenuStrip;
                notifyIcon.Icon = (System.Drawing.Icon)TextEimer.Properties.Resources.ResourceManager.GetObject("bucket");
                notifyIcon.Text = "TextEimer";
                notifyIcon.Visible = true;
                notifyIcon.Click += delegate { notifyIconMenu.BuildContextMenuStrip(); };
                NotifyIconSymbol notifyIconSymbol = new NotifyIconSymbol(notifyIcon, notifyIconMenu);
                #endregion

                ClipboardHandler clipboardHandler = new ClipboardHandler(notifyIconMenu);
                clipboardHandler.LogWriter = log;

                #region global Hotkey
                Hotkey hk = new Hotkey();

                hk.KeyCode = Keys.V;
                hk.Windows = true;
                hk.Pressed += delegate {
                    notifyIconSymbol.ShowNotifyIconMenu();
                };

                hk.Register(notifyIconMenu.contextMenuStrip);

                Application.ApplicationExit += delegate {
                    if (hk.Registered)
                    {
                        hk.Unregister();
                    }
                };
                #endregion

                Application.Run();
            }
        }