IsNull Property (IUANodeId)

Determines whether the node Id is null.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<DefaultValueAttribute(True)>
ReadOnly Property IsNull As Boolean

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

[DefaultValue(true)]
bool IsNull {get;}

[DefaultValue(true)]
property bool IsNull {
   bool get();
}

Remarks

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

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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