资 源 简 介
EllipseAreaLibrary类库:
(1)GetFeaturePolygonArea(IFeatureLayer pFeatureLayer, ref List Result)
获得给定图层中所有图斑面积
(2)GetPolygonArea(IPolygon pIPolygon)
获得指定多边形面积
(3)SetFeaturePolygonArea(IFeatureLayer pFeatureLayer, string fieldname)
设置图层中所有图斑面积到指定字段