OPC Studio User's Guide and Reference
RegisterUnsubscribeData Method



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.LiveMapping Namespace > UAClientOperationContext Class : RegisterUnsubscribeData Method
A client mapping for an OPC-UA node attribute.

The value of this parameter cannot be null (Nothing in Visual Basic).

Registers a given OPC-UA data mapping to a Unsubscribe operation.
Syntax
'Declaration
 
Public Sub RegisterUnsubscribeData( _
   ByVal clientDataMapping As UAClientDataMapping _
) 
'Usage
 
Dim instance As UAClientOperationContext
Dim clientDataMapping As UAClientDataMapping
 
instance.RegisterUnsubscribeData(clientDataMapping)
public void RegisterUnsubscribeData( 
   UAClientDataMapping clientDataMapping
)
public:
void RegisterUnsubscribeData( 
   UAClientDataMapping^ clientDataMapping
) 

Parameters

clientDataMapping
A client mapping for an OPC-UA node attribute.

The value of this parameter cannot be null (Nothing in Visual Basic).

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