Flash as3 AIR1.5 屏蔽ESC ALT+F4按键

package
{
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.system.fscommand;
import flash.display.StageDisplayState;
import flash.events.KeyboardEvent;
import flash.events.Event;
import flash.ui.Keyboard;
/**
* ...
* @author LittleSpace
*/
public class Main extends Sprite
{
private var array:Array=new Array();
public function Main ()
{
mc.addEventListener (MouseEvent.MOUSE_DOWN, mouseDownHandler);
stage.nativeWindow.addEventListener (Event.CLOSING,closing);
}
private function mouseDownHandler (e)
{
//全屏
stage.displayState = StageDisplayState.FULL_SCREEN_INTERACTIVE;
}
private function closing (event:Event):void
{
//取消事件的默认行为，在实际使用时可以指定条件来执行这句话
event.preventDefault ();
}
protected function onKeyDowns (e:KeyboardEvent):void
{
if (e.keyCode == Keyboard.ESCAPE)
{
e.preventDefault ();
}
}
}
}
关闭不了窗体请使用任务管理器，结束掉AIR的应用窗体