用C#和Mapx实现了鹰眼的功能，还有其他如放大缩小，漫游，测距等Mapx的基本功能，vs2008环境下。

用VB实现MapX移屏测距功能原理及代码-MapX use VB to achieve the principle of transfer functions and screen location code

采用vc+mapx进行手动测距的程序，使用polytoolused的事件，可以重复单击，测出多边形的距离-Using vc+ mapx procedures manual ranging, use polytoolused event, you can repeat the click, and by measuring the distance between the polygon