一个LOOKOUT（NI）OPC客户端软件，配置方便（绿色版本）！-a LOOKOUT (NI) OPC client software, configuration convenience (green version)!

使用Ni-visa 操作接口数据，例如com口，并口，或者Lan口-Ni-visa operation of the use of interface data, such as the com port, parallel port, or Lan port

vc++,LED开关显示Activex控件。 比NI的漂亮。了解更多，请访问：http://blog.sina.com.cn/visualsan-vc++, LED display Activex control switch. Beautiful than the NI. For more, visit: http://blog.sina.com.cn/visualsan