一个VC+MapX的多文本文档程序，实现了基本地图操作以及查询和专题图的生成,适合于做地图导航或监控开发。是入门的好代码！-VC+ MapX a text document of many procedures, the realization of the basic map operations as well as query and thematic map production, suited to make maps or monitoring the development of