public override object Clone()
        {
            PetriNetGraphWrapper pWrapper = new PetriNetGraphWrapper();

            this.CopyTo(pWrapper);

            return pWrapper;
        }
        public static void SetDefaultEventHandlers(PetriNetGraphWrapper graphWrapper)
        {
            WFGraphWrapper.SetDefaultEventHandlers(graphWrapper);

            graphWrapper.Graph.OnVertexAdded += new EventHandler<VerticesModifiedEventArgs>(graphWrapper.graph_OnVertexAdded);
        }