private List <DirectedEdge> FindPath(List <ReachablePoint> prePointList, ReachablePoint endPoint)
{
List <DirectedEdge> edgeList = new List <DirectedEdge>();
var curPoint = endPoint;
while (prePointList[curPoint.Index] != null)
{
var prePoint = prePointList[curPoint.Index];
var directedEdge = m_edgeList.SingleOrDefault(o => o.StartPoint == prePoint && o.EndPoint == curPoint);
edgeList.Add(directedEdge);
curPoint = prePoint;
}
edgeList.Reverse();
return(edgeList);
}
public static void SetCurPosition(DependencyObject obj, ReachablePoint value)
{
obj.SetValue(CurPositionProperty, value);
}