Reference

OpcClient.UnregisterNode Method

Type

OpcClient

Namespace

Opc.UaFx.Client

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcClient Members

Also in

Opc.UaFx.Client

2 overloads · since v2.8

Overload	Description
UnregisterNode(OpcUnregisterNode)since v2.8	Unregisters a node to not longer optimize its node access using the command specified.
UnregisterNode(OpcNodeId)since v2.8	Unregisters a node to not longer optimize its node access using the identifier of the node.

Exceptions (all overloads)

Exception	Condition
ObjectDisposedException	The object has been disposed of.

UnregisterNode(OpcUnregisterNode)

since v2.8

Unregisters a node to not longer optimize its node access using the command specified.

public void UnregisterNode(OpcUnregisterNode command)

Public Sub UnregisterNode(command As OpcUnregisterNode)

Parameters

Name	Type	Description
command	OpcUnregisterNode	The OpcUnregisterNode instance to process.

Exceptions

Exception	Condition
ArgumentNullException	The command is a null reference (Nothing in Visual Basic).
InvalidOperationException	The unregister node service is currently not supported, especially using the command specified.
OpcException	The service execution failed upon different circumstances; for more details see exception details. The following issues can lead to that exception: BadNothingToDo and BadTooManyMatches.

UnregisterNode(OpcNodeId)

since v2.8

Unregisters a node to not longer optimize its node access using the identifier of the node. The node access to a once unregistered node is not longer optimized.

public void UnregisterNode(OpcNodeId nodeId)

Public Sub UnregisterNode(nodeId As OpcNodeId)

Parameters

Name	Type	Description
nodeId	OpcNodeId	The OpcNodeId through that the node to unregister can be identified.

Exceptions

Exception	Condition
ArgumentException	The nodeId is equals Null.
ArgumentNullException	The nodeId is a null reference (Nothing in Visual Basic).
InvalidOperationException	The unregister node service is currently not supported, especially using the parameters specified.
OpcException	The service execution failed upon different circumstances; for more details see exception details. The following issues can lead to that exception: BadNothingToDo and BadTooManyOperations.