OPC Studio User's Guide and Reference
AttributeData Property (EasyUADataChangeNotificationEventArgs)



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OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.OperationModel Namespace > EasyUADataChangeNotificationEventArgs Class : AttributeData Property
Attribute data: the value of an attribute, together with status code and timestamps.
Syntax
'Declaration
 
Public Property AttributeData As UAAttributeData
 
'Usage
 
Dim instance As EasyUADataChangeNotificationEventArgs
Dim value As UAAttributeData
 
instance.AttributeData = value
 
value = instance.AttributeData

Property Value

This value of this property can be null (Nothing in Visual Basic).

The default value of this property is null.

Exceptions
ExceptionDescription

One of the arguments provided to a method is not valid.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks
This property is non-null only if the System.Exception is null.

The getter method of this property is pure, i.e. it does not have observable side effects.

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