: Facilitating connections to local or remote OPC servers using URL schemes like Data Subscription
Allowing your application to "subscribe" to tags so that it only receives updates when a value changes, rather than constantly polling the server. opcnetapidll
opcnetapidll is a Dynamic Link Library (DLL) file associated with the . The acronym "OPC" originally stood for "OLE for Process Control," but today it is simply referred to as "Open Platform Communications." This specific DLL is part of the OPC Classic specification, which relies on Microsoft’s Component Object Model (COM) and Distributed Component Object Model (DCOM). : Facilitating connections to local or remote OPC