Reference

OpcPropertyNode<T> Members

Type

OpcPropertyNode<T>

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Inherits members from OpcPropertyNode, OpcVariableNode, OpcInstanceNode, OpcNode.

Constructors

OpcPropertyNode

18 overloads

Overload	Description
OpcPropertyNode(OpcName)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified.
OpcPropertyNode(OpcName, T)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value given by value.
OpcPropertyNode(OpcName, OpcNodeId)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified.
OpcPropertyNode(OpcName, OpcNodeId, T)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value given by value.
OpcPropertyNode(IOpcNode, OpcName)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified as a child node of the parent node given.
OpcPropertyNode(IOpcNode, OpcName, T)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value defined by value as a child node of the parent node given.
OpcPropertyNode(IOpcNode, OpcName, OpcNodeId)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified as a child node of the parent node given.
OpcPropertyNode(IOpcNode, OpcName, OpcNodeId, T)	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value defined by value as a child node of the parent node given.
OpcPropertyNode(PropertyState<T>)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class using the content as the instance to wrap.
OpcPropertyNode(PropertyState<T>, OpcNodeModel)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class using the content as the instance to wrap.
OpcPropertyNode(OpcNodeModel, OpcName)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified.
OpcPropertyNode(OpcNodeModel, OpcName, T)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value given by value.
OpcPropertyNode(OpcNodeModel, OpcName, OpcNodeId)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified.
OpcPropertyNode(OpcNodeModel, OpcName, OpcNodeId, T)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value given by value.
OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified as a child node of the parent node given.
OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName, T)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value defined by value as a child node of the parent node given.
OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified as a child node of the parent node given.
OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId, T)protected · since v2.50	Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value defined by value as a child node of the parent node given.

OpcPropertyNode(OpcName)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified.

public OpcPropertyNode(OpcName name)

Public Sub New(name As OpcName)

Parameters

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

OpcPropertyNode(OpcName, T)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value given by value.

public OpcPropertyNode(OpcName name, T value)

Public Sub New(name As OpcName, value As T)

Parameters

Name	Type	Description
name	OpcName	The OpcName through that the new property node can be accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(OpcName, OpcNodeId)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified.

public OpcPropertyNode(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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.

OpcPropertyNode(OpcName, OpcNodeId, T)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value given by value.

public OpcPropertyNode(OpcName name, OpcNodeId id, T value)

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

Parameters

Name	Type	Description
name	OpcName	The OpcName through that the new property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(IOpcNode, OpcName)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified as a child node of the parent node given.

public OpcPropertyNode(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 property node can be accessed.

OpcPropertyNode(IOpcNode, OpcName, T)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value defined by value as a child node of the parent node given.

public OpcPropertyNode(IOpcNode parent, OpcName name, T value)

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

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 property node can be accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(IOpcNode, OpcName, OpcNodeId)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified as a child node of the parent node given.

public OpcPropertyNode(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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.

OpcPropertyNode(IOpcNode, OpcName, OpcNodeId, T)

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value defined by value as a child node of the parent node given.

public OpcPropertyNode(IOpcNode parent, OpcName name, OpcNodeId id, T value)

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

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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(PropertyState<T>)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class using the content as the instance to wrap.

protected OpcPropertyNode(PropertyState<T> content)

Protected Sub New(content As PropertyState(Of T))

Parameters

Name	Type	Description
content	PropertyState<T>	The PropertyState<T> to wrap.

Exceptions

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

OpcPropertyNode(PropertyState<T>, OpcNodeModel)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class using the content as the instance to wrap.

protected OpcPropertyNode(PropertyState<T> content, OpcNodeModel model)

Protected Sub New(content As PropertyState(Of T), model As OpcNodeModel)

Parameters

Name	Type	Description
content	PropertyState<T>	The PropertyState<T> 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).

OpcPropertyNode(OpcNodeModel, OpcName)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified.

protected OpcPropertyNode(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 property node can be accessed.

OpcPropertyNode(OpcNodeModel, OpcName, T)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value given by value.

protected OpcPropertyNode(OpcNodeModel model, OpcName name, T value)

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

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 property node can be accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(OpcNodeModel, OpcName, OpcNodeId)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified.

protected OpcPropertyNode(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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.

OpcPropertyNode(OpcNodeModel, OpcName, OpcNodeId, T)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value given by value.

protected OpcPropertyNode(
    OpcNodeModel model,
    OpcName name,
    OpcNodeId id,
    T value)

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

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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified as a child node of the parent node given.

protected OpcPropertyNode(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 property node can be accessed.

OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName, T)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name specified with the initial value defined by value as a child node of the parent node given.

protected OpcPropertyNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    T value)

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

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 property node can be accessed.
value	T	The initial value of the new property node.

OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified as a child node of the parent node given.

protected OpcPropertyNode(
    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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.

OpcPropertyNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId, T)

protected · since v2.50

Initializes a new instance of the OpcPropertyNode<T> class accessible by the name and id specified with the initial value defined by value as a child node of the parent node given.

protected OpcPropertyNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    OpcNodeId id,
    T value)

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

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 property node can be accessed.
id	OpcNodeId	The OpcNodeId through that the new property node can be identified and accessed.
value	T	The initial value of the new property node.

Properties

DataType

override · since v2.8

Gets or sets a value which defines a pre-defined used DataTypeId as one of the members defined by the OpcDataType enumeration to simplify querying standard data types.

public override OpcDataType DataType { get; set; }

Public Overrides Property DataType As OpcDataType

Property value

OpcDataType

One of the members defined by the OpcDataType enumeration.

Overrides

DataType

ReadPropertyGenericValueCallback

Gets or sets a callback used to read the property generic value.

public OpcReadPropertyValueCallback<T> ReadPropertyGenericValueCallback { get; set; }

Public Property ReadPropertyGenericValueCallback As OpcReadPropertyValueCallback(Of T)

Property value

OpcReadPropertyValueCallback<T>

A OpcReadPropertyValueCallback<T> used to read the property value as the type defined by T. The value can also be a null reference (Nothing in Visual Basic).

Remarks

This callback is used in call chain with the ReadPropertyValueCallback and will be called with the outcome of that callback routine (in case there is one defined).

Value

Gets or sets the value of the property node.

public T Value { get; set; }

Public Property Value As T

Property value

T

A T representing the value of the property node. This can be also a null reference (Nothing in Visual Basic).

WritePropertyGenericValueCallback

Gets or sets a callback used to write the property generic value.

public OpcWritePropertyValueCallback<T> WritePropertyGenericValueCallback { get; set; }

Public Property WritePropertyGenericValueCallback As OpcWritePropertyValueCallback(Of T)

Property value

OpcWritePropertyValueCallback<T>

A OpcWritePropertyValueCallback<T> used to write the property value as the type defined by T. The value can also be a null reference (Nothing in Visual Basic).

Remarks

This callback is used in call chain with the WritePropertyValueCallback and will be called with the outcome of that callback routine (in case there is one defined).

Methods

InitializeDefaults

protected · override

Initializes the default values used by the OpcPropertyNode<T>.

protected override void InitializeDefaults()

Protected Overrides Sub InitializeDefaults()

Overrides

InitializeDefaults

Remarks

This method is used to ensure the availability of appropriate node specific default values. For more information like when this method is to be overwritten see InitializeDefaults.

ReadGenericValue

Reads the property node value using the context specified.

public T ReadGenericValue(OpcReadVariableValueContext context)

Public Function ReadGenericValue(context As OpcReadVariableValueContext) As T

Parameters

Name	Type	Description
context	OpcReadVariableValueContext	The OpcReadVariableValueContext to use to read the property node value.

Returns

T

The T property node value associated with this node and read using the context specified. This can also be a null reference (Nothing in Visual Basic).

Exceptions

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

ReadPropertyGenericValueCore

protected · virtual

Reads the value of the property node using the context and value information specified.

protected virtual OpcPropertyValue<T> ReadPropertyGenericValueCore(
    OpcReadPropertyValueContext<OpcPropertyNode<T>> context,
    OpcPropertyValue<T> value)

Protected Overridable Function ReadPropertyGenericValueCore(
    context As OpcReadPropertyValueContext(Of OpcPropertyNode(Of T)),
    value As OpcPropertyValue(Of T)) As OpcPropertyValue(Of T)

Parameters

Name	Type	Description
context	OpcReadPropertyValueContext<OpcPropertyNode<T>>	The OpcReadPropertyValueContext<T> to use to read the property node value.
value	OpcPropertyValue<T>	The OpcPropertyValue<T> containing the currently used value constructed by the value information contained in the property node cache.

Returns

OpcPropertyValue<T>

The OpcPropertyValue<T> read using the ReadPropertyGenericValueCallback or the value if there is no custom callback routine defined.

ReadPropertyValueCore

protected · override

Reads the value of the property node using the context and value information specified.

protected override sealed OpcPropertyValue<object> ReadPropertyValueCore(
    OpcReadPropertyValueContext context,
    OpcPropertyValue<object> value)

Protected NotOverridable Overrides Function ReadPropertyValueCore(
    context As OpcReadPropertyValueContext,
    value As OpcPropertyValue(Of Object)) As OpcPropertyValue(Of Object)

Parameters

Name	Type	Description
context	OpcReadPropertyValueContext	The OpcReadPropertyValueContext to use to read the property node value.
value	OpcPropertyValue<Object>	The OpcPropertyValue<T> containing the currently used value constructed by the value information contained in the property node cache.

Returns

OpcPropertyValue<Object>

The OpcPropertyValue<T> read using the ReadPropertyValueCallback or the value if there is no custom callback routine defined.

Overrides

ReadPropertyValueCore

WriteGenericValue

Writes the value to the property node value using the context specified.

public void WriteGenericValue(OpcWriteVariableValueContext context, T value)

Public Sub WriteGenericValue(
    context As OpcWriteVariableValueContext,
    value As T)

Parameters

Name	Type	Description
context	OpcWriteVariableValueContext	The OpcWriteVariableValueContext to use to write the property node value specified.
value	T	The T to write to the property node value.

Exceptions

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

WritePropertyGenericValueCore

protected · virtual

Writes the value of the property node using the context and value information specified.

protected virtual OpcPropertyValue<T> WritePropertyGenericValueCore(
    OpcWritePropertyValueContext<OpcPropertyNode<T>> context,
    OpcPropertyValue<T> value)

Protected Overridable Function WritePropertyGenericValueCore(
    context As OpcWritePropertyValueContext(Of OpcPropertyNode(Of T)),
    value As OpcPropertyValue(Of T)) As OpcPropertyValue(Of T)

Parameters

Name	Type	Description
context	OpcWritePropertyValueContext<OpcPropertyNode<T>>	The OpcWritePropertyValueContext<T> to use to write the property node value.
value	OpcPropertyValue<T>	The OpcPropertyValue<T> containing the currently used value constructed by the value information contained in the property node cache.

Returns

OpcPropertyValue<T>

The OpcPropertyValue<T> written using the WritePropertyGenericValueCallback or the value if there is no custom callback routine defined.

WritePropertyValueCore

protected · override

Writes the value of the property node using the context and value information specified.

protected override sealed OpcPropertyValue<object> WritePropertyValueCore(
    OpcWritePropertyValueContext context,
    OpcPropertyValue<object> value)

Protected NotOverridable Overrides Function WritePropertyValueCore(
    context As OpcWritePropertyValueContext,
    value As OpcPropertyValue(Of Object)) As OpcPropertyValue(Of Object)

Parameters

Name	Type	Description
context	OpcWritePropertyValueContext	The OpcWritePropertyValueContext to use to write the property node value.
value	OpcPropertyValue<Object>	The OpcPropertyValue<T> containing the currently used value constructed by the value information contained in the property node cache.

Returns

OpcPropertyValue<Object>

The OpcPropertyValue<T> written using the WritePropertyValueCallback or the value if there is no custom callback routine defined.

Overrides

WritePropertyValueCore