Represents an event caused by that user is scrolling or has scrolled at the client.

ScrollEvent will be sent wih name as "onScroll" after setCurposByClient(int) is called to notify application developers that it is called by user (rather than by codes).

For components that might also support ScrollEvent with "onScrolling". It is used to notified the server that user is changing its content (changing is on progress and not finished).

The components which are supported this event are: org.zkoss.zul.Slider .