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Reference

IOpcNodeHistoryProvider Interface

Defines an interface which is to be used by an OpcNodeManager to provide and maintain historical values for an OpcVariableNode.

Reference

IOpcNodeHistoryProvider Interface ​

Namespace
Opc.UaFx.Server
Assembly
Opc.UaFx.Advanced.dll
Package
Opc.UaFx.Advanced v2.59.0
Members
IOpcNodeHistoryProvider Members

Defines an interface which is to be used by an OpcNodeManager to provide and maintain historical values for an OpcVariableNode.

Syntax ​

csharp
public interface IOpcNodeHistoryProvider
vbnet
Public Interface IOpcNodeHistoryProvider

Derived types ​

Properties ​

NameDescription
NodeGets the OpcVariableNode for which this instance provides and maintains historical values.

Methods ​

NameDescription
CreateHistoryCreates the history entries of the values specified.
DeleteHistory3 overloadsDeletes the history entries at the times specified.
ReadHistorysince v2.51Reads the history of the values within the time range specified.
ReplaceHistoryReplaces the existing history entries with the values specified.
UpdateHistoryUpdates the history entries of the values specified.

Applies to ​

PackageVersions
Opc.UaFx.Advancedv2.5–v2.59