private static void TrayIcon_NotificationIconSelected(NotificationIcon icon)
        {
            if (icon.MenuItems.Count > 0)
            {
                return;
            }

            var checkMenuItem = new NotificationMenuItem("Set Check On Clicked");

            checkMenuItem.NotificationMenuItemSelected += CheckMenuItem_NotificationMenuItemSelected;

            var disableMenuItem = new NotificationMenuItem("Disable On Clicked");

            disableMenuItem.NotificationMenuItemSelected += DisableMenuItem_NotificationMenuItemSelected;

            var setTextMenuItem = new NotificationMenuItem("Set Text On Click");

            setTextMenuItem.NotificationMenuItemSelected += SetTextMenuItem_NotificationMenuItemSelected;

            var subMenuMenuItem = new NotificationMenuItem("Create Sub Menu On Click");

            subMenuMenuItem.NotificationMenuItemSelected += SubMenuMenuItem_NotificationMenuItemSelected;

            icon.AddMenuItem(checkMenuItem);
            icon.AddMenuItem(disableMenuItem);
            icon.AddMenuItem(setTextMenuItem);
            icon.AddMenuItem(subMenuMenuItem);
        }