OnNamespaceUriStringChanged Method (UANamespaceQualified)

Infrastructure.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Protected Overridable Sub OnNamespaceUriStringChanged( _
   ByVal oldValue As String _
)

'Usage
 
Dim instance As UANamespaceQualified
Dim oldValue As String
 
instance.OnNamespaceUriStringChanged(oldValue)

protected virtual void OnNamespaceUriStringChanged( 
   string oldValue
)

protected:
virtual void OnNamespaceUriStringChanged( 
   String^ oldValue
)

Parameters

oldValue

The value represents an OPC UA namespace URI string. Any string can be passed to this parameter (i.e. will not cause System.ArgumentException), but not all values make sense and will work when an operation using them is attempted.

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.

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.

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

UANamespaceQualified Class
UANamespaceQualified Members

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