一个基于VC的有向无环图操作实例源代码，图的节点可以使任意可插入OLE项，在编辑一栏，您可以插入节点、删除节点、拓扑排序、广度遍历、最短路径、插入边等操作，该程序作者是中国地质大学的姜景捷。 -A VC' s are based on directed acyclic graph operation source code examples, graph nodes can be inserted into OLE can make any entry in the Edit colu