AS3 Fullscreen Projector Demo with Escape Key to Quit (with confirmation screen)

package
{
	import flash.display.Sprite;
	import flash.display.StageDisplayState;
	import flash.display.StageScaleMode;
	import flash.events.KeyboardEvent;
	import flash.events.MouseEvent;
	import flash.ui.Keyboard;
	import flash.system.fscommand;
 
	public class FullscreenDemo extends Sprite
	{
 
		public function FullscreenDemo():void
		{
			fscommand("trapallkeys", "true");
 
			stage.showDefaultContextMenu = false;
			stage.displayState = StageDisplayState.FULL_SCREEN;
			stage.scaleMode = StageScaleMode.SHOW_ALL;
			stage.addEventListener(KeyboardEvent.KEY_DOWN, onStage_KEY_DOWN);
 
			quitScreen_mc.visible = false;
			quitScreen_mc.yesBtn_mc.addEventListener(MouseEvent.CLICK, onQuitYes_CLICK);
			quitScreen_mc.noBtn_mc.addEventListener(MouseEvent.CLICK, onQuitNo_CLICK);
			quitScreen_mc.yesBtn_mc.buttonMode = true;
			quitScreen_mc.noBtn_mc.buttonMode = true;
		}
 
		function onStage_KEY_DOWN(evt:KeyboardEvent):void {
			if (evt.keyCode == Keyboard.ESCAPE) {
				quitScreen_mc.visible = true;
			}
		}
 
		function onQuitYes_CLICK(evt:MouseEvent):void {
			fscommand("quit");
		}
 
		function onQuitNo_CLICK(evt:MouseEvent):void {
			quitScreen_mc.visible = false;
		}
 
	}
}