一个完整的OPC CLIENT 定制接口源程序，支持VC6编译。不含其它的动态库,A complete interface customization OPC CLIENT source code, support for VC6 compiler. Other non-dynamic library

MODBUS OPC客户端源程序,可以链接Modbus OPC服务器,在此基础上可以迅速开发客户组态软件.,MODBUS OPC client source code, you can link Modbus OPC server, and on this basis can quickly develop client configuration software.

关于opc规范的成熟客户端例子，比较复杂，认真研究会学到很多-About opc client example specifications mature, more complex, serious study will learn a lot