Reference

OpcHistoryValue Class

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcHistoryValue Members

Also in

Opc.UaFx.Client

Represents a value of the history of a node.

Syntax

public class OpcHistoryValue : OpcValue

Public Class OpcHistoryValue
    Inherits OpcValue

Inheritance

Object → OpcValue → OpcHistoryValue

Implements

• IComparable
• IComparable<OpcValue>
• IEquatable<OpcValue>
• IFormattable

Derived types

• OpcModifiedHistoryValue

Constructors

Name	Description
OpcHistoryValue3 overloads	Initializes a new instance of the OpcHistoryValue class using the value and timestamp specified.

Properties

Name	Description
Timestampvirtual	Gets the time of the value, by which the history is ordered.

Methods

Name	Description
CompareTo	Compares the current OpcHistoryValue with another OpcHistoryValue.
Createstatic · 2 overloads	Creates an OpcHistoryValue from the value specified.
CreateModified6 overloads	Creates an OpcModifiedHistoryValue from this value using a modification of the modificationType specified at the current time (UTC).
Equals2 overloads	Determines whether the specified other is equal to this OpcHistoryValue.
GetHashCodeoverride	Retrieves a hash code for this OpcHistoryValue.
ToStringoverride · 2 overloads	Returns a string that represents the history value.

Operators

Name	Description
Equalitystatic	Returns a value indicating whether two instance of OpcHistoryValue are equal.
GreaterThanstatic	Determines whether the first specified OpcHistoryValue object is greater than the second specified OpcHistoryValue object.
GreaterThanOrEqualstatic	Determines whether the first specified OpcHistoryValue object is greater than or equal to the second specified OpcHistoryValue object.
Inequalitystatic	Returns a value indicating whether two instances of OpcHistoryValue are not equal.
LessThanstatic	Determines whether the first specified OpcHistoryValue object is less than the second specified OpcHistoryValue object.
LessThanOrEqualstatic	Determines whether the first specified OpcHistoryValue object is less than or equal to the second OpcHistoryValue object.

Inherits members from OpcValue.

Applies to

Package	Versions
Opc.UaFx.Advanced	v2.5–v2.59