wtopcsvr开发工具,只需开发者调用开发工具中的API函数就可以方便的开发自己的OPC服务器,不需要开发者对COM有很深入的了解,提高OPC服务器开发效率.-wtopcsvr development tools, Developers can call the Development Tools API function could facilitate the development of the OPC server, Deve