Reference

OpcModelChangeItem Members

Type

OpcModelChangeItem

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Constructors

OpcModelChangeItem

2 overloads

Overload	Description
OpcModelChangeItem(OpcNodeId, OpcModelChangeActions)	Initializes a new instance of the OpcModelChangeItem class with the OpcNodeId (affected) of the node affected by the change actions.
OpcModelChangeItem(OpcNodeId, OpcNodeId, OpcModelChangeActions)	Initializes a new instance of the OpcModelChangeItem class with the OpcNodeId (affected) of the node affected, the OpcNodeId (affectedType) of the type definition of the node affected and the change actions> applied.

Exceptions (all overloads)

Exception	Condition
ArgumentException	The actions do not indicate any change.

OpcModelChangeItem(OpcNodeId, OpcModelChangeActions)

Initializes a new instance of the OpcModelChangeItem class with the OpcNodeId (affected) of the node affected by the change actions.

public OpcModelChangeItem(OpcNodeId affected, OpcModelChangeActions actions)

Public Sub New(affected As OpcNodeId, actions As OpcModelChangeActions)

Parameters

Name	Type	Description
affected	OpcNodeId	The OpcNodeId of the node affected.
actions	OpcModelChangeActions	The OpcModelChangeActions indicating the change actions applied to the node.

Exceptions

Exception	Condition
ArgumentNullException	The affected is a null reference (Nothing in Visual Basic).

OpcModelChangeItem(OpcNodeId, OpcNodeId, OpcModelChangeActions)

Initializes a new instance of the OpcModelChangeItem class with the OpcNodeId (affected) of the node affected, the OpcNodeId (affectedType) of the type definition of the node affected and the change actions> applied.

public OpcModelChangeItem(
    OpcNodeId affected,
    OpcNodeId affectedType,
    OpcModelChangeActions actions)

Public Sub New(
    affected As OpcNodeId,
    affectedType As OpcNodeId,
    actions As OpcModelChangeActions)

Parameters

Name	Type	Description
affected	OpcNodeId	The OpcNodeId of the node affected.
affectedType	OpcNodeId	The OpcNodeId of the type definition node of the node affected.
actions	OpcModelChangeActions	The OpcModelChangeActions indicating the change actions applied to the node.

Exceptions

Exception	Condition
ArgumentNullException

Properties

Actions

Gets a value indicating several changes on the affected node at once.

public OpcModelChangeActions Actions { get; }

Public ReadOnly Property Actions As OpcModelChangeActions

Property value

OpcModelChangeActions

A combination of the members defined by the OpcModelChangeActions enumeration used to identify the different change actions applied to the affected node referred to in Affected.

Affected

Gets the OpcNodeId which specifies which node was changed.

public OpcNodeId Affected { get; }

Public ReadOnly Property Affected As OpcNodeId

Property value

OpcNodeId

The OpcNodeId of the node which was changed.

Remarks

The client should assume that the affected node has been created or deleted, had a reference added or deleted or the DataType attribute has been changed as described by the Actions.

AffectedType

Gets the OpcNodeId of the type definition node of the affected node in case the node which was changed was an Object or Variable node.

public OpcNodeId AffectedType { get; }

Public ReadOnly Property AffectedType As OpcNodeId

Property value

OpcNodeId

The OpcNodeId of the type definition node of the affected node if it was an Object or Variable node; otherwise a null reference (Nothing in Visual Basic).