public TableRoutingDelegate (WindowPreferencesController main)
		{
			m_main = main;
		}
		public TableAdvancedEventsDelegate (WindowPreferencesController main)
		{
			m_main = main;
		}
		public void ShowPreferences()
		{
			if ( (windowPreferences == null) || (windowPreferences.Window.IsVisible == false) )
				windowPreferences = new WindowPreferencesController();
			GuiUtils.ShowWindowWithFocus (windowPreferences,this);
		}