public void ShowAbout()
 {
     if ((windowAbout == null) || (windowAbout.Window.IsVisible == false))
     {
         windowAbout = new WindowAboutController();
     }
     GuiUtils.ShowWindowWithFocus(windowAbout, this);
 }
		public void ShowAbout()
		{
			if ( (windowAbout == null) || (windowAbout.Window.IsVisible == false) )
				windowAbout = new WindowAboutController();
			GuiUtils.ShowWindowWithFocus (windowAbout, this);
		}