Flex ActionScript实例代码之编程动画效果

package{
    import flash.display.*;
    import flash.text.*;

    public class Main extends Sprite {
      public function Main(  ) {
        var t:TextField = new TextField(  );
        t.text          = "Hello";
        t.autoSize      = TextFieldAutoSize.LEFT;
        addChild(t);

        while (t.x <= 300) {
          t.x += 10;
        }
      }
    }
}