Reference

OpcReadNode Members

Type

OpcReadNode

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Inherits members from OpcNodeAttributeServiceCommand, OpcNodeServiceCommand, OpcServiceCommand.

Constructors

OpcReadNode

20 overloads

Overload	Description
OpcReadNode(OpcNodeId)	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute.
OpcReadNode(string)	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute.
OpcReadNode(int)	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute.
OpcReadNode(string, int)	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute.
OpcReadNode(int, int)	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute.
OpcReadNode(OpcNodeId, OpcAttribute)	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute.
OpcReadNode(string, OpcAttribute)	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute.
OpcReadNode(int, OpcAttribute)	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute.
OpcReadNode(string, int, OpcAttribute)	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute.
OpcReadNode(int, int, OpcAttribute)	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute.
OpcReadNode(OpcNodeId, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute according to the range.
OpcReadNode(string, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute according to the range.
OpcReadNode(int, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute according to the range.
OpcReadNode(string, int, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute according to the range.
OpcReadNode(int, int, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute according to the range.
OpcReadNode(OpcNodeId, OpcAttribute, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute according to the range.
OpcReadNode(string, OpcAttribute, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute according to the range.
OpcReadNode(int, OpcAttribute, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute according to the range.
OpcReadNode(string, int, OpcAttribute, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute according to the range.
OpcReadNode(int, int, OpcAttribute, OpcRange)since v2.24	Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute according to the range.

OpcReadNode(OpcNodeId)

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute.

public OpcReadNode(OpcNodeId nodeId)

Public Sub New(nodeId As OpcNodeId)

Parameters

Name	Type	Description
nodeId	OpcNodeId	The OpcNodeId of the node on which the service will read the Value attribute.

Exceptions

Exception	Condition
ArgumentException	The command does not support empty node identifiers.
ArgumentNullException	The nodeId is a null reference (Nothing in Visual Basic).

OpcReadNode(string)

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute.

public OpcReadNode(string nodeId)

Public Sub New(nodeId As String)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.

OpcReadNode(int)

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute.

public OpcReadNode(int nodeId)

Public Sub New(nodeId As Integer)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.

OpcReadNode(string, int)

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute.

public OpcReadNode(string nodeId, int namespaceIndex)

Public Sub New(nodeId As String, namespaceIndex As Integer)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.

OpcReadNode(int, int)

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute.

public OpcReadNode(int nodeId, int namespaceIndex)

Public Sub New(nodeId As Integer, namespaceIndex As Integer)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.

OpcReadNode(OpcNodeId, OpcAttribute)

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute.

public OpcReadNode(OpcNodeId nodeId, OpcAttribute attribute)

Public Sub New(nodeId As OpcNodeId, attribute As OpcAttribute)

Parameters

Name	Type	Description
nodeId	OpcNodeId	The OpcNodeId of the node on which the service will read the attribute.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.

Exceptions

Exception	Condition
ArgumentException	The command does not support empty node identifiers.
ArgumentNullException	The nodeId is a null reference (Nothing in Visual Basic).

OpcReadNode(string, OpcAttribute)

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute.

public OpcReadNode(string nodeId, OpcAttribute attribute)

Public Sub New(nodeId As String, attribute As OpcAttribute)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its attribute.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.

OpcReadNode(int, OpcAttribute)

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute.

public OpcReadNode(int nodeId, OpcAttribute attribute)

Public Sub New(nodeId As Integer, attribute As OpcAttribute)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its attribute.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.

OpcReadNode(string, int, OpcAttribute)

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute.

public OpcReadNode(string nodeId, int namespaceIndex, OpcAttribute attribute)

Public Sub New(
    nodeId As String,
    namespaceIndex As Integer,
    attribute As OpcAttribute)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.

OpcReadNode(int, int, OpcAttribute)

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute.

public OpcReadNode(int nodeId, int namespaceIndex, OpcAttribute attribute)

Public Sub New(
    nodeId As Integer,
    namespaceIndex As Integer,
    attribute As OpcAttribute)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.

OpcReadNode(OpcNodeId, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute according to the range.

public OpcReadNode(OpcNodeId nodeId, OpcRange range)

Public Sub New(nodeId As OpcNodeId, range As OpcRange)

Parameters

Name	Type	Description
nodeId	OpcNodeId	The OpcNodeId of the node on which the service will read the Value attribute.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

Exceptions

Exception	Condition
ArgumentException	The command does not support empty node identifiers.
ArgumentNullException	The nodeId is a null reference (Nothing in Visual Basic).

OpcReadNode(string, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute according to the range.

public OpcReadNode(string nodeId, OpcRange range)

Public Sub New(nodeId As String, range As OpcRange)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(int, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the Value attribute according to the range.

public OpcReadNode(int nodeId, OpcRange range)

Public Sub New(nodeId As Integer, range As OpcRange)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(string, int, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute according to the range.

public OpcReadNode(string nodeId, int namespaceIndex, OpcRange range)

Public Sub New(nodeId As String, namespaceIndex As Integer, range As OpcRange)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(int, int, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the Value attribute according to the range.

public OpcReadNode(int nodeId, int namespaceIndex, OpcRange range)

Public Sub New(nodeId As Integer, namespaceIndex As Integer, range As OpcRange)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(OpcNodeId, OpcAttribute, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute according to the range.

public OpcReadNode(OpcNodeId nodeId, OpcAttribute attribute, OpcRange range)

Public Sub New(
    nodeId As OpcNodeId,
    attribute As OpcAttribute,
    range As OpcRange)

Parameters

Name	Type	Description
nodeId	OpcNodeId	The OpcNodeId of the node on which the service will read the attribute.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

Exceptions

Exception	Condition
ArgumentException	The command does not support empty node identifiers.
ArgumentNullException	The nodeId is a null reference (Nothing in Visual Basic).

OpcReadNode(string, OpcAttribute, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute according to the range.

public OpcReadNode(string nodeId, OpcAttribute attribute, OpcRange range)

Public Sub New(nodeId As String, attribute As OpcAttribute, range As OpcRange)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its attribute.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(int, OpcAttribute, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId to read the attribute according to the range.

public OpcReadNode(int nodeId, OpcAttribute attribute, OpcRange range)

Public Sub New(nodeId As Integer, attribute As OpcAttribute, range As OpcRange)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its attribute.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(string, int, OpcAttribute, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute according to the range.

public OpcReadNode(
    string nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcRange range)

Public Sub New(
    nodeId As String,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    range As OpcRange)

Parameters

Name	Type	Description
nodeId	String	The textual node identifier of the node on which the service, who will execute this command, will operate on its attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

OpcReadNode(int, int, OpcAttribute, OpcRange)

since v2.24

Initializes a new instance of the OpcReadNode class using the specified nodeId and namespaceIndex to read the attribute according to the range.

public OpcReadNode(
    int nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcRange range)

Public Sub New(
    nodeId As Integer,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    range As OpcRange)

Parameters

Name	Type	Description
nodeId	Int32	The numeric node identifier of the node on which the service, who will execute this command, will operate on its attribute.
namespaceIndex	Int32	The index of the namespace within that the node with the nodeId specified can be located.
attribute	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the service.
range	OpcRange	The OpcRange to use to identify the single element or range of elements to read.

Properties

Range

since v2.24

Gets the OpcRange used to identify a single element or range of elements in the Attribute.

public OpcRange Range { get; }

Public ReadOnly Property Range As OpcRange

Property value

OpcRange

The OpcRange used to identify a single element of an array or a single range of indexes for arrays. If a range of elements is specified, the values are returned as a composite. The first element is identified by index zero. If the specified Attribute is an array and this property is equals Empty, then all elements are to be included in the range.