package {
    import flash.display.*;
    import flash.events.*;
  
    // Positions a Sprite object, rect, in the top-right corner of Flash 
    // Player’s display area every time Flash Player is resized
    public class @ax-actionscript-events-StretchyLayout extends Sprite {
      private var rect:Sprite;
      public function @ax-actionscript-events-StretchyLayout () {
        // Create a rectangle graphic and add it to the display list
        rect = new Sprite();
        rect.graphics.lineStyle();
        rect.graphics.beginFill(0x0000FF);
        rect.graphics.drawRect(0, 0, 150, 75);
        addChild(rect);
  
        // Prevent content scaling
        stage.scaleMode = StageScaleMode.NO_SCALE;
        // Position the .swf file at the top-left corner of Flash Player's
        // display area
        stage.align     = StageAlign.TOP_LEFT;
        // Register for Event.RESIZE events
        stage.addEventListener(Event.RESIZE, resizeListener);
  
        // Manually trigger initial layout code
        positionRectangle();
      }
  
      // Handles Event.RESIZE events
      private function resizeListener (e:Event):void {
        positionRectangle();
      }
  
      // Positions rect in top-right corner of Flash Player's display area
      private function positionRectangle ():void {
        rect.x = stage.stageWidth - rect.width;
        rect.y = 0;
      }
    }
  }