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Reference

OpcReadNodeHistoryDetails Class

Provides an abstract base class which defines the time domain, number of values and additional criteria to use to select values from historical database for one or more variables.

Reference

OpcReadNodeHistoryDetails Class ​

abstract

Namespace
Opc.UaFx
Assembly
Opc.UaFx.Advanced.dll
Package
Opc.UaFx.Advanced v2.59.0
Members
OpcReadNodeHistoryDetails Members
Also in
Opc.UaFx.Client

Provides an abstract base class which defines the time domain, number of values and additional criteria to use to select values from historical database for one or more variables.

Syntax ​

csharp
public abstract class OpcReadNodeHistoryDetails : OpcReadHistoryDetails
vbnet
Public MustInherit Class OpcReadNodeHistoryDetails
    Inherits OpcReadHistoryDetails

Inheritance ​

Object → OpcReadHistoryDetails → OpcReadNodeHistoryDetails

Derived types ​

Constructors ​

NameDescription
OpcReadNodeHistoryDetailsprotected · 5 overloadsInitializes a new instance of the OpcReadNodeHistoryDetails class using the specified numberOfValues to select the historical values.

Properties ​

NameDescription
EndTimeGets or sets the end of the period to read.
NumberOfValuesGets or sets the maximum number of values returned for any node over the time range.
ReturnBoundssince v2.23Gets or sets a value indicating whether the bounding values should be returned.
StartTimeGets or sets the beginning of the period to read.

Applies to ​

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