OPC Studio 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();
}

Property Value

The default value of this property is True.

Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

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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