本人开发的某地环保局演示系统，语言为vb+mapx，实现了数据库联接，鹰眼，gps等大多数功能，为大家做工程的良好帮助-development of a demonstration system to the Environmental Protection Agency, the language of vb mapx realize the database connectivity, Hawkeye, gps most other functions, for all the good w