摘要：
//Set the polygon IPolygon4 polygon = currentFeature.Shape as IPolygon4; //IPolygon4.ExteriorRingBag should be used instead of IPolygon.QueryExteriorRings, //which does not work in .NET because of C-Style Arrays IGeometryBag exteriorRings = polygon.ExteriorRingBag; //For each exterior rings find th. 阅读全文
