OpcDataItemNode<T> Members

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name specified as a child node of the parent node given.

C#

public OpcDataItemNode(IOpcNode parent, OpcName name)

Parameters

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 data item node can be accessed.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name and id specified as a child node of the parent node given.

C#

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

Parameters

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 data item node can be accessed.

id OpcNodeId

The OpcNodeId through that the new data item node can be identified and accessed.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name and id specified with the initial value defined by value as a child node of the parent node given.

C#

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

Parameters

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 data item node can be accessed.

id OpcNodeId

The OpcNodeId through that the new data item node can be identified and accessed.

value T

The initial value of the new data item node.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name specified with the initial value defined by value as a child node of the parent node given.

C#

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

Parameters

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 data item node can be accessed.

value T

The initial value of the new data item node.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name specified.

C#

public OpcDataItemNode(OpcName name)

Parameters

name OpcName

The OpcName through that the new data item node can be accessed.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name and id specified.

C#

public OpcDataItemNode(OpcName name, OpcNodeId id)

Parameters

name OpcName

The OpcName through that the new data item node can be accessed.

id OpcNodeId

The OpcNodeId through that the new data item node can be identified and accessed.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name and id specified with the initial value given by value.

C#

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

Parameters

name OpcName

The OpcName through that the new data item node can be accessed.

id OpcNodeId

The OpcNodeId through that the new data item node can be identified and accessed.

value T

The initial value of the new data item node.

Initializes a new instance of the OpcDataItemNode´1 class accessible by the name specified with the initial value given by value.

C#

public OpcDataItemNode(OpcName name, T value)

Parameters

name OpcName

The OpcName through that the new data item node can be accessed.

value T

The initial value of the new data item node.

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.

C#

public override OpcDataType DataType { get; set; }

Property Value

OpcDataType

One of the members defined by the OpcDataType enumeration.

Gets or sets the value of the data item node.

C#

public T Value { get; set; }

Property Value

T

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

Initializes the default values used by the OpcDataItemNode´1.

C#

protected override void 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.

Reads the data item node value using the context specified.

C#

public T ReadGenericValue(OpcReadVariableValueContext context)

Parameters

context OpcReadVariableValueContext

The OpcReadVariableValueContext to use to read the data item node value.

Returns

T

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

Exceptions

ArgumentNullException

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

Writes the value to the data item node value using the context specified.

C#

public void WriteGenericValue(OpcWriteVariableValueContext context, T value)

Parameters

context OpcWriteVariableValueContext

The OpcWriteVariableValueContext to use to write the data item node value specified.

value T

The T to write to the data item node value.

Exceptions

ArgumentNullException

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