本DLL应用场合广泛，比如车辆定位系统，路灯监控系统，这些都与地理信息有关。其实在一些需要图形界面，用户能在图形背景上自定义作图，并在该图形界面上进行操作的场合都能得到很好的应用。-wide applications, such as vehicle location system, street lamps monitoring systems, which are related to geographic information. In fact, some need a graphica

mapx5+vb6的开发指南 以mapx为核心 详细介绍其功能，作图，到二次开发。-mapx5+ vb6 guide to the development of mapx detail at the core of its functions, mapping to the second development.

计算机地图制图程序，作图软件的底层开发，包括画点及坐标转换-Computer cartography programs, the underlying mapping software development, including stippled and coordinate conversion

中国省份文件 共三个文件 shp shx dbf 33各省 可以在arcmap中作图(dbf for arigis there are three)