OPC Studio User's Guide and Reference
UADataSubscriptionChangedEventHandler Delegate



OpcLabs.ServerOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace : UADataSubscriptionChangedEventHandler Delegate
The source of the event.
A OpcLabs.EasyOpc.UA.OperationModel.UADataSubscriptionChangedEventArgs that contains the event data.
Represents the method that will handle an event raised when data subscription has been added, removed, or modified.
Syntax
'Declaration
 
<ComVisibleAttribute(False)>
Public Delegate Sub UADataSubscriptionChangedEventHandler( _
   ByVal sender As Object, _
   ByVal e As UADataSubscriptionChangedEventArgs _
) 
'Usage
 
Dim instance As New UADataSubscriptionChangedEventHandler(AddressOf HandlerMethod)
[ComVisible(false)]
public delegate void UADataSubscriptionChangedEventHandler( 
   object sender,
   UADataSubscriptionChangedEventArgs e
)
[ComVisible(false)]
public delegate void UADataSubscriptionChangedEventHandler( 
   Object^ sender,
   UADataSubscriptionChangedEventArgs^ e
)

Parameters

sender
The source of the event.
e
A OpcLabs.EasyOpc.UA.OperationModel.UADataSubscriptionChangedEventArgs that contains the event data.
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