QuickOPC User's Guide and Reference
IsNull Property (IUANodeId)

OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.AddressSpace Namespace > IUANodeId Interface : IsNull Property
Determines whether the node Id is null.
ReadOnly Property IsNull As Boolean
Dim instance As IUANodeId
Dim value As Boolean
value = instance.IsNull
bool IsNull {get;}
property bool IsNull {
   bool get();
An OPC-UA node Id is considered null when its NamespaceUriString is empty, and its node Id type is UANodeIdType.None.

Target Platforms: .NET Framework: Windows 10, Windows Server 2012; .NET Core: Linux, macOS, Microsoft Windows

See Also


IUANodeId Interface
IUANodeId Members