Events when DisplayObjects are added to or removed from DisplayObjectContainer
Event.ADDED
The added event is an Event object that is sent when a DisplayObject is added by the addChild or addChildAt function of DisplayObjectContainer.
Example
Event.ADDED_TO_STAGE
The addedToStage event is a similar event, but it is an Event object that is sent out when a DisplayObjectContainer is added to a DisplayList and displayed on the screen.
Example
Event.REMOVED
The removed event is an event object that is sent when a DisplayObject is removed from a DisplayObjectContainer using the removeChild or removeChildAt function of the DisplayObjectContainer. The removed event is an event object sent when a DisplayObject is removed from the DisplayObjectContainer using the removeChild or removeChildAt function of the DisplayObjectContainer. It is also sent when a DisplayObjectContainer is moved from its existing position to a specified position using the addChild and addChildAt functions.
Example
Event.REMOVED_FROM_STAGE
The removedFromStage event is a similar event, but it is an Event object that is sent out when the DisplayObjectContainer is removed from the DisplayList and disappears from the screen.