public void DiscoverTreeEdge(object sender, EdgeEdgeEventArgs args)
{
if (args.get_Edge() != args.get_TargetEdge())
{
this.EdgePredecessors.set_Item(args.get_TargetEdge(), args.get_Edge());
}
}
public void RecordSource(object sender, EdgeEdgeEventArgs args)
{
this.Edges.Add(args.get_Edge());
}