mo+vb，二次开发，读取矢量数据，放大、缩小、鹰眼、平移和完整的图层管理，由图到属性查询和由属性到地图的查询。-mo+ vb, secondary development, read the vector data, zoom, Eagle Eye, translation and the complete layer management, from the map to the property to the map queries and inquiries from the prope

mapinfo格式的全国地图，矢量图，适合mapx使用开发，也可以被二次开发。-Mapinfo format of the map, vector diagram, suitable for mapx development, can also be secondary development.