OPC Studio User's Guide and Reference
IsNull Property (UAPubSubConnectionDescriptor)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.PubSub Namespace > UAPubSubConnectionDescriptor Class : IsNull Property
Determines whether current object is a null PubSub connection descriptor.
Syntax
'Declaration
 
Public Overrides NotOverridable ReadOnly Property IsNull As Boolean
'Usage
 
Dim instance As UAPubSubConnectionDescriptor
Dim value As Boolean
 
value = instance.IsNull
public override bool IsNull {get;}
public:
property bool IsNull {
   bool get() override;
}

Property Value

The default value of this property is True.

Remarks

A null PubSub connection descriptor has no name, no custom properties, and no network address.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also