实现在arcgis engine中对地图两点之间距离的量算以及绘制的多边形面积的计算-Calculation of the amount calculated to achieve the distance between two points, and the polygon area map drawn in arcgis engine in

基于ArcEngine10.1与Visualstudio2010，实现文档操作，视图操作，空间查询，距离面积量算，矢量栅格间的互转及数据库连接等功能-ArcEngine10.1 and Visualstudio2010, operate documentation mapview , spatial queries, calculated from the amount of area, referrals between vector and raster and database s con