What is the role of interfaces IOPCServer, IOPCDataItem, IOPCGroup in OPC ( OLE for process control)
- by Shailesh Jaiswal
I am currently new in OPC ( OLE for process control). I want to know about the interfaces IOPCServer, IOPCDataItem, IOPCGroup interfaces in the OPC. What are they used for & what is their role in terms of OPC Client & OPC Server & what methods & properties these interfaces conatins ? Can you provide me the answer for the above questions or can you provide me the link through which I can get the knowledge of the above topics ?