mapx+vb,可以实现放大，缩小，查询，鹰眼，添加，删除图元及属性信息，简单的空间分析功能等，很全面的-MapX vb, can be achieved to zoom, query, Hawkeye, add, delete map million and attribute information, the simple spatial analysis capabilities, comprehensive

mapx+vb,可以实现放大，缩小，查询，鹰眼，添加，删除图元及属性信息，简单的空间分析功能等，很全面的-MapX vb, can be achieved to zoom, query, Hawkeye, add, delete map million and attribute information, the simple spatial analysis capabilities, comprehensive

mapx+vb,已修改可以实现放大，缩小，查询，鹰眼，添加，删除图元及属性信息，简单的空间分析功能等，很全面的--MapX vb, can be achieved to zoom, query, Hawkeye, add, delete map million and attribute information, the simple spatial analysis capabilities, comprehensive