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



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
public UAAttributeData AttributeData {get; set;}
public:
property UAAttributeData^ AttributeData {
   UAAttributeData^ get();
   void set (    UAAttributeData^ value);
}

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