Namespace: Opc.UaFx.Client
Assemblies: Opc.UaFx.Advanced.dll, Opc.UaFx.Advanced.dll
The OpcSubscribeNode type exposes the following members.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(byte[] nodeId)
Parameters
nodeId
Byte[]
The opaque node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(byte[] nodeId, int namespaceIndex)
Parameters
nodeId
Byte[]
The opaque 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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(byte[] nodeId, int namespaceIndex, OpcAttribute attribute)
Parameters
nodeId
Byte[]
The opaque 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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(byte[] nodeId, int namespaceIndex, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
Byte[]
The opaque 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(byte[] nodeId, int namespaceIndex, OpcMonitoringFilter filter)
Parameters
nodeId
Byte[]
The opaque 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(byte[] nodeId, OpcAttribute attribute)
Parameters
nodeId
Byte[]
The opaque 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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(byte[] nodeId, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
Byte[]
The opaque 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(byte[] nodeId, OpcMonitoringFilter filter)
Parameters
nodeId
Byte[]
The opaque node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(Guid nodeId)
Parameters
nodeId
Guid
The general unique identifier (= GUID) of the node on which the service, who will execute this command, will operate on its Value attribute.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(Guid nodeId, int namespaceIndex)
Parameters
nodeId
Guid
The general unique identifier (= GUID) 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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(Guid nodeId, int namespaceIndex, OpcAttribute attribute)
Parameters
nodeId
Guid
The general unique identifier (= GUID) 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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(Guid nodeId, int namespaceIndex, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
Guid
The general unique identifier (= GUID) 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(Guid nodeId, int namespaceIndex, OpcMonitoringFilter filter)
Parameters
nodeId
Guid
The general unique identifier (= GUID) 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(Guid nodeId, OpcAttribute attribute)
Parameters
nodeId
Guid
The general unique identifier (= GUID) 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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(Guid nodeId, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
Guid
The general unique identifier (= GUID) 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(Guid nodeId, OpcMonitoringFilter filter)
Parameters
nodeId
Guid
The general unique identifier (= GUID) of the node on which the service, who will execute this command, will operate on its Value attribute.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(int nodeId)
Parameters
nodeId
Int32
The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(int nodeId, int namespaceIndex)
Parameters
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(int nodeId, int namespaceIndex, OpcAttribute attribute)
Parameters
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(int nodeId, int namespaceIndex, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(int nodeId, int namespaceIndex, OpcMonitoringFilter filter)
Parameters
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(int nodeId, OpcAttribute attribute)
Parameters
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(int nodeId, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(int nodeId, OpcMonitoringFilter filter)
Parameters
nodeId
Int32
The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(OpcNodeId nodeId)
Parameters
nodeId
OpcNodeId
The OpcNodeId of the node on which the service, who will execute this command, will operate on its Value attribute.
Exceptions
The command does not support empty node identifiers.
The nodeId
is a null reference (Nothing in Visual Basic).
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(OpcNodeId nodeId, OpcAttribute attribute)
Parameters
nodeId
OpcNodeId
The OpcNodeId 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.
Exceptions
The command does not support empty node identifiers.
The nodeId
is a null reference (Nothing in Visual Basic).
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(OpcNodeId nodeId, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
OpcNodeId
The OpcNodeId 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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
The nodeId
is a null reference (Nothing in Visual Basic).
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(OpcNodeId nodeId, OpcMonitoringFilter filter)
Parameters
nodeId
OpcNodeId
The OpcNodeId of the node on which the service, who will execute this command, will operate on its Value attribute.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
The nodeId
is a null reference (Nothing in Visual Basic).
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(string nodeId)
Parameters
nodeId
String
The textual node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(string nodeId, int namespaceIndex)
Parameters
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(string nodeId, int namespaceIndex, OpcAttribute attribute)
Parameters
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(string nodeId, int namespaceIndex, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(string nodeId, int namespaceIndex, OpcMonitoringFilter filter)
Parameters
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(string nodeId, OpcAttribute attribute)
Parameters
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(string nodeId, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(string nodeId, OpcMonitoringFilter filter)
Parameters
nodeId
String
The textual node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(uint nodeId)
Parameters
nodeId
UInt32
The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(uint nodeId, int namespaceIndex)
Parameters
nodeId
UInt32
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(uint nodeId, int namespaceIndex, OpcAttribute attribute)
Parameters
nodeId
UInt32
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the attribute
.
C#
public OpcSubscribeNode(uint nodeId, int namespaceIndex, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
UInt32
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
and namespaceIndex
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(uint nodeId, int namespaceIndex, OpcMonitoringFilter filter)
Parameters
nodeId
UInt32
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(uint nodeId, OpcAttribute attribute)
Parameters
nodeId
UInt32
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.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the attribute
defined.
C#
public OpcSubscribeNode(uint nodeId, OpcAttribute attribute, OpcMonitoringFilter filter)
Parameters
nodeId
UInt32
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.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Initializes a new instance of the OpcSubscribeNode class using the nodeId
specified to operate on the Value attribute.
C#
public OpcSubscribeNode(uint nodeId, OpcMonitoringFilter filter)
Parameters
nodeId
UInt32
The numeric node identifier of the node on which the service, who will execute this command, will operate on its Value attribute.
filter
OpcMonitoringFilter
The OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by the OpcSubscribeNode command.
Exceptions
The command does not support empty node identifiers.
Gets the OpcMonitoringFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item described by this OpcSubscribeNode command.
C#
public OpcMonitoringFilter Filter { get; }
Property Value
An instance of the OpcMonitoringFilter if specified; otherwise a null reference (Nothing in Visual Basic).