OPC Studio User's Guide and Reference
Callback Property (EasyUASubscribeDataSetArguments)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.PubSub.OperationModel Namespace > EasyUASubscribeDataSetArguments Class : Callback Property
A callback method to be invoked for each dataset message received.
Syntax
'Declaration
 
<CanBeNullAttribute()>
<DefaultValueAttribute("")>
<XmlIgnoreAttribute()>
Public Property Callback As EasyUADataSetMessageEventHandler
'Usage
 
Dim instance As EasyUASubscribeDataSetArguments
Dim value As EasyUADataSetMessageEventHandler
 
instance.Callback = value
 
value = instance.Callback
[CanBeNull()]
[DefaultValue("")]
[XmlIgnore()]
public EasyUADataSetMessageEventHandler Callback {get; set;}
[CanBeNull()]
[DefaultValue("")]
[XmlIgnore()]
public:
property EasyUADataSetMessageEventHandler^ Callback {
   EasyUADataSetMessageEventHandler^ get();
   void set (    EasyUADataSetMessageEventHandler^ value);
}

Property Value

If this is a null reference, only the OpcLabs.EasyOpc.UA.PubSub.IEasyUASubscriber.DataSetMessage event is generated, and no callback method is invoked.
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