摘要： [code] c#,arcengine,Arcobjects建立拓扑的完整例子 public void ValidateTopology(ITopology topology, IEnvelope envelope){ // Get the dirty area within the provided envelope. IPolygon locationPolygon = new PolygonClass(); ISegmentCollection segmentCollection = (ISegmentCollection)locationPolygon; segmentC 阅读全文