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Reference

Historical data

Reference

Historical data ​

Concept
Historical data
TypeDescription
IOpcEventHistoryNavigator<T>
IOpcNodeHistoryNavigator<T>
OpcAggregateTypeSpecifies an aggregate function of the OPC UA namespace, whose identifier GetTypeId provides.
OpcClientProvides session based methods to access OPC UA server services.
OpcEventRepresents a snapshot of a 'Opc.UaFx.OpcEventNode'.
OpcEventFilterRepresents the filter of a monitored item for events, as defined by the EventFilter of OPC UA: the select clauses define the fields to report of each event and the where clause defines the events to report.
OpcHistoryValueRepresents a value of the history of a node.
OpcModifiedHistoryValueRepresents a value of the modified history of a node together with the information about its modification.
OpcNodeIdDefines an identifier for a node in the address space of an OPC UA Server.
OpcStatusProvides information about the outcome of an operation.
OpcStatusCollectionRepresentes a collection of OpcStatus instances.
OpcValueStores a value optionally associated with status and timestamp information.