摘要
介绍了DDE与OPC的工作机制,结合当今自动化领域著名厂家的DDE/OPC软件产品阐述了该技术的应用情况,说明了如何利用Visual Basic开发DDE和OPC客户端。
The principle of DDE （Dynamic Data Exchange） and OPC （OLE for Process Control） techniques is introduced in this paper, and application of this technique is discussed according to some DDE/OPC software produced by some famous industrial companies. At last, the methods of how to develop DDE/OPC client with the software Visual Basic is given.
