public static List <DirectedGraphLayout> LoadFromXML(Client client, string filename)
        {
            var xmldoc = SXL.XDocument.Load(filename);

            return(DirectedGraphBuilder.LoadFromXML(client, xmldoc));
        }
        public static IList <VAGRAPH.Drawing> LoadFromXML(Client client, string filename)
        {
            var xmldoc = SXL.XDocument.Load(filename);

            return(DirectedGraphBuilder.LoadFromXML(client, xmldoc));
        }