SubscribeNode(Boolean,Object,String) Method

Subscribes or unsubscribes model members of the given node that are tagged with the specified tag.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overloads Sub SubscribeNode( _
   ByVal active As Boolean, _
   ByVal node As Object, _
   ByVal modellingTag As String _
)

'Usage
 
Dim instance As UAModelClient
Dim active As Boolean
Dim node As Object
Dim modellingTag As String
 
instance.SubscribeNode(active, node, modellingTag)

public void SubscribeNode( 
   bool active,
   object node,
   string modellingTag
)

public:
void SubscribeNode( 
   bool active,
   Object^ node,
   String^ modellingTag
)

Parameters

active: true to subscribe; false to unsubscribe.
node: The node on which the operation will be performed.
The value of this parameter cannot be null (Nothing in Visual Basic).
modellingTag: The operation will be performed only on members tagged with this tag.
The value of this parameter cannot be null (Nothing in Visual Basic).

Exceptions

Exception Description

Exception	Description
System.ArgumentException	One of the arguments provided to a method is not valid. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.
OpcLabs.BaseLib.Licensing.LicensingException	The component is not licensed for the operation requested.

System.ArgumentException

One of the arguments provided to a method is not valid.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

OpcLabs.BaseLib.Licensing.LicensingException The component is not licensed for the operation requested.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

UAModelClient Class
UAModelClient Members
Overload List

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