Classes
 ClassDescription
 DropdownEvent The DropdownEvent class represents the event object passed to the event listener for the open and close events.
 MediaEvent The MediaEvent class defines events for the IMediaClip components.
 MenuButtonRowEvent The MenuButtonRowEvent class defines events for the MenuButtonRow component.
 MenuEvent The MenuEvent class represents events that are associated with menu activities.
 TabBarEvent The TabBarEvent class defines events for the TabBar component.
 TreeEvent For events that are associated with activities in tree, such as when a tree branch opens or closes.