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What is the role of interfaces IOPCServer, IOPCDataItem, IOPCGroup in OPC ( OLE for process control)
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[详细]
2022-12-27 10:23 分类:问答