用VB调用OVATION系统DCS的实时数据，进行读写测试。需要在OVATION系统计算机上运行，需要在安装有OVATION系统的计算机上运行。-OVATION DCS system using VB call real-time data, reading and writing tests. OVATION system required on the computer running, you need to run on a computer equipped with OVATION