TabEvent is the root event for all tab events. It contains
information about the source, i.e. the object (tab or tabbedPanel)
that generated this event and the tab that was affected by this event.
author: $Author: jesper $ version: $Revision: 1.10 $ See Also:TabListener See Also:TabbedPanel See Also:Tab
Constructs a TabEvent
Parameters: source - the Tab or TabbedPanel that is the source for thisevent Parameters: tab - the tab on which the event occurred