MapX4.0在VC中的应用，实现GIS的基本功能-MapX4.0 VC in the application of GIS to achieve the basic functions

基于VC+MapX的GIS开发，MapX是可编程控件，其采用的是与MapInfo Professional一致的地图数据格式。-Development of GIS based VC+MapX, MapX is a programmable control, which is consistent with the use MapInfo Professional map data format.