SubscribeNode(Boolean,Object) Method

Subscribes or unsubscribes all designated model members of the given node.

Syntax

Visual Basic
C#
C++/CLI

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

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

public void SubscribeNode( 
   bool active,
   object node
)

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

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).

Exceptions

Exception Description

Exception	Description
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.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

Documentation Home, Send Feedback. Resources: Knowledge Base, Product Downloads. Technical support: Online Forums, FAQ.

Missing some example? Ask us for it on our Online Forums! You do not have to own a commercial license in order to use Online Forums, and we reply to every post.