Reference

OpcDataChangeFilter Members

Type

OpcDataChangeFilter

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Constructors

OpcDataChangeFilter

2 overloads

Overload	Description
OpcDataChangeFilter()	Initializes a new instance of the OpcDataChangeFilter class.
OpcDataChangeFilter(OpcDataChangeTrigger)since v2.6	Initializes a new instance of the OpcDataChangeFilter class using the trigger specified to use as the initial value of the Trigger property.

OpcDataChangeFilter()

Initializes a new instance of the OpcDataChangeFilter class.

public OpcDataChangeFilter()

Public Sub New()

OpcDataChangeFilter(OpcDataChangeTrigger)

since v2.6

Initializes a new instance of the OpcDataChangeFilter class using the trigger specified to use as the initial value of the Trigger property.

public OpcDataChangeFilter(OpcDataChangeTrigger trigger)

Public Sub New(trigger As OpcDataChangeTrigger)

Parameters

Name	Type	Description
trigger	OpcDataChangeTrigger	One of the values defined by the OpcDataChangeTrigger enumeration which specifies the conditions under which a data change notification is to be reported.

Properties

DeadbandType

since v2.6

Gets or sets a value which defines how value changes shall be classified as part of the 'deadband' or the 'liveband'. Only value changes within the 'liveband' are reported.

public OpcDeadbandType DeadbandType { get; set; }

Public Property DeadbandType As OpcDeadbandType

Property value

OpcDeadbandType

One of the members defined by the OpcDeadbandType enumeration. The value None indicates that every value change will be reported. For more information about the use of different values see OpcDeadbandType.

DeadbandValue

since v2.6

Gets or sets the limit of the 'band'-logic used to classify value changes as part of the 'deadband' or the 'liveband'. The interpretation of the DeadbandValue depends on the value of the DeadbandType property.

public double DeadbandValue { get; set; }

Public Property DeadbandValue As Double

Property value

Double

A value indicating the limit upon a value change is reported or not. For more information about the interpretation of the value see DeadbandType.

Trigger

since v2.6

Gets or sets a value which specifies the conditions under which a data change notification is to be reported. The default value is StatusValue.

public OpcDataChangeTrigger Trigger { get; set; }

Public Property Trigger As OpcDataChangeTrigger

Property value

OpcDataChangeTrigger

One of the members defined by the OpcDataChangeTrigger enumeration.