internal Graph Graph() {
if (_graph == null) {
//int id = 0;
_currentNode = new ForestNodeNode(Root, "" + _id++, 0);
_ids[Root.InternalNode] = 0;
_graph = new Graph(_currentNode);
//GetGraphHelper(g, myNode, new HashSet<InteriorNode>(), new Dictionary<InteriorNode, int> { { _node, 0 } }, ref id);
Root.Accept(this);
}
return _graph;
}