/// <summary>
        /// Searches for the MapServiceLayerLegend whose Children collection contains the
        /// specified layerLegend.
        /// </summary>
        /// <param name="layerLegend">The MapServiceLayerLegend of a MapService sublayer.</param>
        /// <returns></returns>
        public MapServiceLayerLegend FindContainer(MapServiceLayerLegend layerLegend)
        {
            if (Children.Contains(layerLegend))
            {
                return(this);
            }

            foreach (MapServiceLayerLegend childLayerLegend in Children)
            {
                MapServiceLayerLegend container = childLayerLegend.FindContainer(layerLegend);
                if (container != null)
                {
                    return(container);
                }
            }
            return(null);
        }
    /// <summary>
    /// Searches for the MapServiceLayerLegend whose Children collection contains the 
    /// specified layerLegend.
    /// </summary>
    /// <param name="layerLegend">The MapServiceLayerLegend of a MapService sublayer.</param>
    /// <returns></returns>
    public MapServiceLayerLegend FindContainer(MapServiceLayerLegend layerLegend)
    {
      if (Children.Contains(layerLegend))
        return this;

      foreach (MapServiceLayerLegend childLayerLegend in Children)
      {
        MapServiceLayerLegend container = childLayerLegend.FindContainer(layerLegend);
        if (container != null)
          return container;
      }
      return null;
    }