IsNull Property (IUANodeId)

Determines whether the node Id is null.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
ReadOnly Property IsNull As Boolean

'Usage
 
Dim instance As IUANodeId
Dim value As Boolean
 
value = instance.IsNull

bool IsNull {get;}

property bool IsNull {
   bool get();
}

Property Value

The default value of this property is True.

Remarks

An OPC-UA node Id is considered null when its NamespaceUriString is empty, and its node Id type is UANodeIdType.None.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

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

IUANodeId Interface
IUANodeId Members

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