arcgis pro 二次开发——获取图形中心点坐标
List<Coordinate2D> list2D = new List<Coordinate2D>();list2D.Add(new Coordinate2D(0, 0));list2D.Add(new Coordinate2D(0, 2));list2D.Add(new Coordinate2D(2, 2));list2D.Add(new Coordinate2D(2, 0));Polygon polygon = PolygonBuil