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



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.PubSub.ComTypes Namespace > _UADataSetSubscriptionDescriptor Interface : IsNull Property
Determines whether the current object is a null dataset subscription descriptor.
Syntax
'Declaration
 

ReadOnly Property IsNull As Boolean
'Usage
 

Dim instance As _UADataSetSubscriptionDescriptor
Dim value As Boolean
 
value = instance.IsNull
bool IsNull {get;}
property bool IsNull {
   bool get();
}
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

Reference

_UADataSetSubscriptionDescriptor Interface
_UADataSetSubscriptionDescriptor Members

 

 

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