     public function ContainerMovieClip()
     {
         super();
+        
+        addEventListener(Event.ADDED, addedHandler);
+        addEventListener(Event.REMOVED, removedHandler);
     }
 
     //--------------------------------------------------------------------------

        {
            contentHolderObj.content = value;
        }
        else
        {
            _content = value;
        }
    }
    
    //----------------------------------

import flash.display.BitmapData;
import flash.display.DisplayObject;
import flash.display.DisplayObjectContainer;
import flash.events.Event;
import flash.events.FocusEvent;
import flash.geom.ColorTransform;
import flash.geom.Point;
