Reference

OpcObjectNode Members

Type

OpcObjectNode

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Inherits members from OpcInstanceNode, OpcNode.

Constructors

OpcObjectNode

18 overloads

Overload	Description
OpcObjectNode(OpcName)	Initializes a new instance of the OpcObjectNode class accessible by the name specified.
OpcObjectNode(OpcName, params OpcInstanceNode[])	Initializes a new instance of the OpcObjectNode class accessible by the name and with the initial child nodes specified by children.
OpcObjectNode(OpcName, OpcNodeId)	Initializes a new instance of the OpcObjectNode class accessible by the name and id specified.
OpcObjectNode(OpcName, OpcNodeId, params OpcInstanceNode[])	Initializes a new instance of the OpcObjectNode class accessible by the name, id and with the initial child nodes specified by children.
OpcObjectNode(IOpcNode, OpcName)	Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given.
OpcObjectNode(IOpcNode, OpcName, params OpcInstanceNode[])	Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given and with the initial child nodes specified by children.
OpcObjectNode(IOpcNode, OpcName, OpcNodeId)	Initializes a new instance of the OpcObjectNode class accessible by the name and id specified as a child node of the parent node given.
OpcObjectNode(IOpcNode, OpcName, OpcNodeId, params OpcInstanceNode[])	Initializes a new instance of the OpcObjectNode class accessible by the name, id specified as a child node of the parent node given and with the initial child nodes specified by children.
OpcObjectNode(BaseObjectState)protected · since v2.50	Initializes a new instance of the OpcObjectNode class using the content as the instance to wrap.
OpcObjectNode(BaseObjectState, OpcNodeModel)protected · since v2.50	Initializes a new instance of the OpcObjectNode class using the content as the instance to wrap.
OpcObjectNode(OpcNodeModel, OpcName)protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name specified.
OpcObjectNode(OpcNodeModel, OpcName, params OpcInstanceNode[])protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name and with the initial child nodes specified by children.
OpcObjectNode(OpcNodeModel, OpcName, OpcNodeId)protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name and id specified.
OpcObjectNode(OpcNodeModel, OpcName, OpcNodeId, params OpcInstanceNode[])protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name, id and with the initial child nodes specified by children.
OpcObjectNode(OpcNodeModel, IOpcNode, OpcName)protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given.
OpcObjectNode(OpcNodeModel, IOpcNode, OpcName, params OpcInstanceNode[])protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given and with the initial child nodes specified by children.
OpcObjectNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId)protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name and id specified as a child node of the parent node given.
OpcObjectNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId, params OpcInstanceNode[])protected · since v2.50	Initializes a new instance of the OpcObjectNode class accessible by the name, id specified as a child node of the parent node given and with the initial child nodes specified by children.

OpcObjectNode(OpcName)

Initializes a new instance of the OpcObjectNode class accessible by the name specified.

public OpcObjectNode(OpcName name)

Public Sub New(name As OpcName)

Parameters

Name	Type	Description
name	OpcName	The OpcName through that the new object node can be accessed.

OpcObjectNode(OpcName, params OpcInstanceNode[])

Initializes a new instance of the OpcObjectNode class accessible by the name and with the initial child nodes specified by children.

public OpcObjectNode(OpcName name, params OpcInstanceNode[] children)

Public Sub New(name As OpcName, ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
name	OpcName	The OpcName through that the new object node can be accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(OpcName, OpcNodeId)

Initializes a new instance of the OpcObjectNode class accessible by the name and id specified.

public OpcObjectNode(OpcName name, OpcNodeId id)

Public Sub New(name As OpcName, id As OpcNodeId)

Parameters

Name	Type	Description
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.

OpcObjectNode(OpcName, OpcNodeId, params OpcInstanceNode[])

Initializes a new instance of the OpcObjectNode class accessible by the name, id and with the initial child nodes specified by children.

public OpcObjectNode(
    OpcName name,
    OpcNodeId id,
    params OpcInstanceNode[] children)

Public Sub New(
    name As OpcName,
    id As OpcNodeId,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(IOpcNode, OpcName)

Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given.

public OpcObjectNode(IOpcNode parent, OpcName name)

Public Sub New(parent As IOpcNode, name As OpcName)

Parameters

Name	Type	Description
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.

OpcObjectNode(IOpcNode, OpcName, params OpcInstanceNode[])

Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given and with the initial child nodes specified by children.

public OpcObjectNode(
    IOpcNode parent,
    OpcName name,
    params OpcInstanceNode[] children)

Public Sub New(
    parent As IOpcNode,
    name As OpcName,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(IOpcNode, OpcName, OpcNodeId)

Initializes a new instance of the OpcObjectNode class accessible by the name and id specified as a child node of the parent node given.

public OpcObjectNode(IOpcNode parent, OpcName name, OpcNodeId id)

Public Sub New(parent As IOpcNode, name As OpcName, id As OpcNodeId)

Parameters

Name	Type	Description
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.

OpcObjectNode(IOpcNode, OpcName, OpcNodeId, params OpcInstanceNode[])

Initializes a new instance of the OpcObjectNode class accessible by the name, id specified as a child node of the parent node given and with the initial child nodes specified by children.

public OpcObjectNode(
    IOpcNode parent,
    OpcName name,
    OpcNodeId id,
    params OpcInstanceNode[] children)

Public Sub New(
    parent As IOpcNode,
    name As OpcName,
    id As OpcNodeId,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(BaseObjectState)

protected · since v2.50

Initializes a new instance of the OpcObjectNode class using the content as the instance to wrap.

protected OpcObjectNode(BaseObjectState content)

Protected Sub New(content As BaseObjectState)

Parameters

Name	Type	Description
content	BaseObjectState	The BaseObjectState to wrap.

Exceptions

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

OpcObjectNode(BaseObjectState, OpcNodeModel)

protected · since v2.50

Initializes a new instance of the OpcObjectNode class using the content as the instance to wrap.

protected OpcObjectNode(BaseObjectState content, OpcNodeModel model)

Protected Sub New(content As BaseObjectState, model As OpcNodeModel)

Parameters

Name	Type	Description
content	BaseObjectState	The BaseObjectState to wrap.
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.

Exceptions

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

OpcObjectNode(OpcNodeModel, OpcName)

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name specified.

protected OpcObjectNode(OpcNodeModel model, OpcName name)

Protected Sub New(model As OpcNodeModel, name As OpcName)

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
name	OpcName	The OpcName through that the new object node can be accessed.

OpcObjectNode(OpcNodeModel, OpcName, params OpcInstanceNode[])

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name and with the initial child nodes specified by children.

protected OpcObjectNode(
    OpcNodeModel model,
    OpcName name,
    params OpcInstanceNode[] children)

Protected Sub New(
    model As OpcNodeModel,
    name As OpcName,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
name	OpcName	The OpcName through that the new object node can be accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(OpcNodeModel, OpcName, OpcNodeId)

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name and id specified.

protected OpcObjectNode(OpcNodeModel model, OpcName name, OpcNodeId id)

Protected Sub New(model As OpcNodeModel, name As OpcName, id As OpcNodeId)

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.

OpcObjectNode(OpcNodeModel, OpcName, OpcNodeId, params OpcInstanceNode[])

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name, id and with the initial child nodes specified by children.

protected OpcObjectNode(
    OpcNodeModel model,
    OpcName name,
    OpcNodeId id,
    params OpcInstanceNode[] children)

Protected Sub New(
    model As OpcNodeModel,
    name As OpcName,
    id As OpcNodeId,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(OpcNodeModel, IOpcNode, OpcName)

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given.

protected OpcObjectNode(OpcNodeModel model, IOpcNode parent, OpcName name)

Protected Sub New(model As OpcNodeModel, parent As IOpcNode, name As OpcName)

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.

OpcObjectNode(OpcNodeModel, IOpcNode, OpcName, params OpcInstanceNode[])

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name specified as a child node of the parent node given and with the initial child nodes specified by children.

protected OpcObjectNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    params OpcInstanceNode[] children)

Protected Sub New(
    model As OpcNodeModel,
    parent As IOpcNode,
    name As OpcName,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

OpcObjectNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId)

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name and id specified as a child node of the parent node given.

protected OpcObjectNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    OpcNodeId id)

Protected Sub New(
    model As OpcNodeModel,
    parent As IOpcNode,
    name As OpcName,
    id As OpcNodeId)

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.

OpcObjectNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId, params OpcInstanceNode[])

protected · since v2.50

Initializes a new instance of the OpcObjectNode class accessible by the name, id specified as a child node of the parent node given and with the initial child nodes specified by children.

protected OpcObjectNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    OpcNodeId id,
    params OpcInstanceNode[] children)

Protected Sub New(
    model As OpcNodeModel,
    parent As IOpcNode,
    name As OpcName,
    id As OpcNodeId,
    ParamArray children As OpcInstanceNode())

Parameters

Name	Type	Description
model	OpcNodeModel	The OpcNodeModel which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node.
parent	IOpcNode	The IOpcNode used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available.
name	OpcName	The OpcName through that the new object node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new object node can be identified and accessed.
children	params OpcInstanceNode[]	The initial child nodes of the node.

Properties

DefaultReferenceTypeId

protected · override

Gets the default identifier which identifies the type that defines the underlying node reference within this OpcInstanceNode is referenced by its parent node.

protected override OpcNodeId DefaultReferenceTypeId { get; }

Protected Overrides ReadOnly Property DefaultReferenceTypeId As OpcNodeId

Property value

OpcNodeId

The OpcNodeId of the reference wihin this OpcInstanceNode is referenced. These reference defines the typical behaviour of an instance node and its role in the address space regarding its parent. If there exists no specific reference type a null reference (Nothing in Visual Basic).

Overrides

DefaultReferenceTypeId

DefaultTypeDefinitionId

protected · override

Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.

protected override OpcNodeId DefaultTypeDefinitionId { get; }

Protected Overrides ReadOnly Property DefaultTypeDefinitionId As OpcNodeId

Property value

OpcNodeId

The OpcNodeId of the type node from that this OpcInstanceNode has been created from. These type node defines the typical structure of an instance node of its type definition. If there exists no specific type definition node a null reference (Nothing in Visual Basic).

Overrides

DefaultTypeDefinitionId

IsHistorizingEvents

since v2.54

Gets or sets a value indiciating whether there exists an event history for the node.

public bool IsHistorizingEvents { get; set; }

Public Property IsHistorizingEvents As Boolean

Property value

Boolean

The value true if an event history exists; otherwise the value false. The default value is false.

Methods

AddNotifier

override

Adds the node to the collection of notifiers (= event sources) of this node.

public override sealed void AddNotifier(OpcContext context, IOpcNode node)

Public NotOverridable Overrides Sub AddNotifier(
    context As OpcContext,
    node As IOpcNode)

Parameters

Name	Type	Description
context	OpcContext	The OpcContext to use to add the node as the notifying event source.
node	IOpcNode	The IOpcNode instance acting as the notifier.

Exceptions

Exception	Condition
ArgumentNullException	The context or node is null reference (Nothing in Visual Basic).

Overrides

AddNotifier

Remarks

If the node is the first notifier being added to the collection of notifiers the EventNotifier attribute of this OpcObjectNode is set to 'SubscribeToEvents'.

RemoveNotifier

override

Removes the node from the collection of notifiers (= event sources) of this node.

public override void RemoveNotifier(OpcContext context, IOpcNode node)

Public Overrides Sub RemoveNotifier(context As OpcContext, node As IOpcNode)

Parameters

Name	Type	Description
context	OpcContext	The OpcContext to use to remove the node as the notifying event source.
node	IOpcNode	The IOpcNode instance no longer acting as the notifier.

Exceptions

Exception	Condition
ArgumentNullException	The context or node is a null reference (Nothing in Visual Basic).

Overrides

RemoveNotifier

Remarks

If the node is the last notifier being removed from the collection of notifiers the EventNotifier attribute of this OpcObjectNode is unset from 'SubscribeToEvents'.