private void AddPath(object e)
        {
            ComboBox cb = (ComboBox)e;

            if (cb.SelectedIndex == -1)
            {
                return;
            }

            AddPath(UtilityStuff.IndexInGraph(selectedNode, graph), cb.SelectedIndex, isPathTwoWay, UtilityStuff.Dist(graph.TheGraph[UtilityStuff.IndexInGraph(selectedNode, graph)], Graph[cb.SelectedIndex]));
        }