| Overload | Description | 
|---|---|
| OnDataSubscriptionChanged(IUADataSubscription,UADataSubscriptionChangedAction) | Called when a data subscription has been added to, removed from, or modified in the DataSubscriptionSet of this data variable. | 
| OnDataSubscriptionChanged | Raises the DataSubscriptionChanged event, indicating when data subscription has been added, removed, or modified. (Inherited from OpcLabs.EasyOpc.UA.NodeSpace.UAServerNode) | 
