The interface is the primary method for handling events. Users implement the interface and register their listener on an using the method. The users should also remove their from its after they have completed using the listener.
public interface IEventListener
|HandleEvent(Event)||This method is called whenever an event occurs of the type for which the interface was registered.|
When a Node is copied using the cloneNode method the Event Listeners attached to the source Node are not attached to the copied Node. If the user wishes the same Event Listeners to be added to the newly created copy the user must add them manually.