OPC Studio User's Guide and Reference
EasyUADataChangeNotificationEventHandler<T> Delegate



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Generic Namespace : EasyUADataChangeNotificationEventHandler<T> Delegate
The type of monitored item value.
The source of the event.
An EasyUADataChangeNotificationEventArgs<TValue> that contains the event data.
Represents the method that will handle an event raised for every significant data change in a subscribed OPC monitored item.
Syntax
'Declaration
 
<ComVisibleAttribute(False)>
Public Delegate Sub EasyUADataChangeNotificationEventHandler(Of T)( _
   ByVal sender As Object, _
   ByVal e As EasyUADataChangeNotificationEventArgs(Of T) _
) 
'Usage
 
Dim instance As New EasyUADataChangeNotificationEventHandler(Of T)(AddressOf HandlerMethod)
[ComVisible(false)]
public delegate void EasyUADataChangeNotificationEventHandler<T>( 
   object sender,
   EasyUADataChangeNotificationEventArgs<T> e
)
[ComVisible(false)]
generic<typename T>
public delegate void EasyUADataChangeNotificationEventHandler( 
   Object^ sender,
   EasyUADataChangeNotificationEventArgs<T^>^ e
)

Parameters

sender
The source of the event.
e
An EasyUADataChangeNotificationEventArgs<TValue> that contains the event data.

Type Parameters

T
The type of monitored item value.
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