很简单的东西，做个记录：

父类：

/*design by whb in 2009-3-30
MOUSE_OVER：改变ＭＣ颜色，将鼠标改为手型，修改ＭＣ的透明度；MOUSE_OUT：将ＭＣ的属性复原；DOUBLE_CLICK：设置ＭＣ为不可见
*/
package {
 import flash.display.MovieClip;
 import flash.events.MouseEvent;
 import flash.display.BlendMode;
 import flash.events.Event;
 public class Mc extends MovieClip {
  private var over_alpha:Number=.6;
  private var out_alpha:Number=1;
  public function Mc() {
   init();
  }
  private function init():void {
   this.doubleClickEnabled=true;
   addEventListener(flash.events.MouseEvent.MOUSE_OVER,mouse_over);
   addEventListener(flash.events.MouseEvent.MOUSE_OUT,mouse_out);
   addEventListener(flash.events.MouseEvent.DOUBLE_CLICK,double_click);
  }
  private function mouse_over(e:MouseEvent) {
   this.useHandCursor=true;
   this.buttonMode=true;
   this.alpha=over_alpha;
   this.blendMode=BlendMode.SUBTRACT;
  }
  private function mouse_out(e:MouseEvent) {
   this.alpha=out_alpha;
   this.buttonMode=true;
   this.useHandCursor=false;
   this.blendMode=BlendMode.NORMAL;
  }
  public function double_click(e:MouseEvent) {
           this.visible=false;
  }

 }

}

子类１：

/*design by whb in 2009-3-30
取消父类的双击事件相应
*/
package {
 public class McSon extends Mc {
  public function McSon() {
   super();
   this.doubleClickEnabled=false;
  }
  
 }

}

子类２：

/*design by whb in 2009-3-30
重写双击事件，修改ＭＣ颜色
*/
package {
 import flash.events.MouseEvent;
 import flash.geom.ColorTransform;
 import flash.geom.Transform;
 public class Son extends Mc {
  public var originallyColor:ColorTransform;
  public function Son() {
   super();
   originallyColor=this.transform.colorTransform;
  }
  override public function double_click(e:MouseEvent) {
   var newColor:ColorTransform=new ColorTransform();
   newColor.color=0x0000ff;
   e.currentTarget.transform.colorTransform=newColor;
   }
 }

}

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