エディタが変わったらしいので

/**
 * Copyright atsumo ( http://wonderfl.net/user/atsumo )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/fiut
 */

package {
    import flash.ui.Mouse;
    import flash.events.MouseEvent;
    import flash.display.Sprite;
    public class Test extends Sprite {
        public function Test() {
            // write as3 code here..
            var sp:Sprite = new Sprite();
            sp.graphics.beginFill(0x000000);
            sp.graphics.drawRect(100, 100, 100, 20);
            sp.graphics.endFill();
            
            sp.addEventListener(MouseEvent.CLICK, handleClick);
            addChild(sp);
        }
        
        private function handleClick(e:MouseEvent):void
        {
            trace("補完がいい！");
        }

    }
}