QuickOPC User's Guide and Reference
RegisterUnsubscribeItem Method



OpcLabs.EasyOpcClassic Assembly > OpcLabs.EasyOpc.DataAccess.LiveMapping Namespace > DAClientOperationContext Class : RegisterUnsubscribeItem Method
A client mapping for an OPC Data Access item.
Registers a given OPC-DA item mapping to a Unsubscribe operation.
Syntax
'Declaration
 
Public Sub RegisterUnsubscribeItem( _
   ByVal clientItemMapping As DAClientItemMapping _
) 
'Usage
 
Dim instance As DAClientOperationContext
Dim clientItemMapping As DAClientItemMapping
 
instance.RegisterUnsubscribeItem(clientItemMapping)
public void RegisterUnsubscribeItem( 
   DAClientItemMapping clientItemMapping
)
public:
void RegisterUnsubscribeItem( 
   DAClientItemMapping^ clientItemMapping
) 

Parameters

clientItemMapping
A client mapping for an OPC Data Access item.
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