<?xml version="1.0" encoding="utf-8"?>
<mx:Application name="TabBar_tabWidth_test"
		xmlns:mx="http://www.adobe.com/2006/mxml"
		layout="vertical"
		verticalAlign="middle"
		backgroundColor="white" viewSourceURL="srcview/index.html">
 
	<mx:Array id="arr">
		<mx:Object label="Red" />
		<mx:Object label="Orange" />
		<mx:Object label="Yellow" />
		<mx:Object label="Green" />
		<mx:Object label="Blue" />
	</mx:Array>
 
	<mx:ApplicationControlBar dock="true">
		<mx:Form styleName="plain">
			<mx:FormItem label="tabWidth:">
				<mx:HSlider id="slider"
						minimum="40"
						maximum="120"
						value="100"
						snapInterval="1"
						tickInterval="10"
						liveDragging="true" />
			</mx:FormItem>
		</mx:Form>
	</mx:ApplicationControlBar>
 
	<mx:TabBar id="tabBar"
			dataProvider="{arr}"
			tabWidth="{slider.value}" />
 
</mx:Application>

<?xml version="1.0" encoding="utf-8"?>
<mx:Application name="TabBar_tabWidth_test"
		xmlns:mx="http://www.adobe.com/2006/mxml"
		layout="vertical"
		verticalAlign="middle"
		backgroundColor="white">
 
	<mx:Script>
		<![CDATA[
			import mx.events.SliderEvent;
 
			private function slider_change(evt:SliderEvent):void {
				tabBar.setStyle("tabWidth", evt.value);
			}
		]]>
	</mx:Script>
 
	<mx:Array id="arr">
		<mx:Object label="Red" />
		<mx:Object label="Orange" />
		<mx:Object label="Yellow" />
		<mx:Object label="Green" />
		<mx:Object label="Blue" />
	</mx:Array>
 
	<mx:ApplicationControlBar dock="true">
		<mx:Form styleName="plain">
			<mx:FormItem label="tabWidth:">
				<mx:HSlider id="slider"
						minimum="40"
						maximum="120"
						value="100"
						snapInterval="1"
						tickInterval="10"
						liveDragging="true"
						change="slider_change(event);" />
			</mx:FormItem>
		</mx:Form>
	</mx:ApplicationControlBar>
 
	<mx:TabBar id="tabBar"
			dataProvider="{arr}"
			tabWidth="100"  />
 
</mx:Application>

//主要時間軸的影格動作
var sp:Sprite = new Sprite();
//將Sprite加入到主時間軸上
addChild(sp);
btRemoveMC.visible = false;
btAddMC.addEventListener(MouseEvent.CLICK, btAddMCClickHandler);
btRemoveMC.addEventListener(MouseEvent.CLICK,btRemoveMCClickHandler);
function btAddMCClickHandler(evt:MouseEvent):void {
	//新增星星的物件實體
	var newMC:MovieClip = new Star();
	newMC.x = Math.random() * 320;
	newMC.y = Math.random() * 240;
	sp.addChild(newMC);
	btRemoveMC.visible = true;
}
function btRemoveMCClickHandler(evt:MouseEvent):void {
	if (sp.numChildren > 0){
		//從 DisplayObjectContainer 子清單中的指定 index 位置移除子 DisplayObject。
		sp.removeChildAt(0);
		if (sp.numChildren <= 0){
			btRemoveMC.visible = false;
		}
	}
}

1061: 呼叫可能未定義的方法 stop (透過靜態類型 flash.display:DisplayObject 的參考)。

btStop.addEventListener(MouseEvent.CLICK, btStopClickHandler);
function btStopClickHandler(evt:MouseEvent):void {
	//控制上一階層影片片段停止
	MovieClip(this.parent).stop();
}

btPlay.addEventListener(MouseEvent.CLICK, btPlayClickHandler);
function btPlayClickHandler(evt:MouseEvent):void {
	//控制上一階層影片片段開始
	var myParent:MovieClip = parent as MovieClip;
	myParent.play();
}

 var _mc:Draggable=new Draggable();
this.addChild(_mc);
this.addChild(_mc);
this.addChild(_mc);

 package {
	import flash.display.MovieClip;
	import flash.display.DisplayObjectContainer;
	import flash.events.MouseEvent;
 
	public class Draggable extends MovieClip {
		function Draggable():void {
			this.addEventListener(MouseEvent.MOUSE_DOWN, mPress);
			stage.addEventListener(MouseEvent.MOUSE_UP, mRelease);
		}
		public function mPress(e:MouseEvent):void {
			var p:DisplayObjectContainer = this.parent;
			//p.removeChild(this);
			p.addChild(this);
			this.startDrag();
		}
		public function mRelease(e:MouseEvent):void {
			this.stopDrag();
		}
	}
}

 package {
	import flash.display.MovieClip;
	import flash.display.DisplayObjectContainer;
	import flash.events.MouseEvent;
	import flash.events.*;
 
	public class Draggable extends MovieClip {
		function Draggable():void {
			//trace(stage);
			this.addEventListener(Event.ADDED_TO_STAGE , addToStageHandler);
			//偵聽Event.ADDED_TO_STAGE事件,
   			//該事件指的是，當自已被加入場景上時，會觸法該事件
   			//因為被加入到場景上, 所以之後的stage屬性就不會是null
		}
 
		public function addToStageHandler(e:Event):void {
  		 	//這兒就可以設定要載入物件的變數和方法
			trace(stage.stageWidth);
			trace(stage.stageHeight);
   			this.addEventListener(MouseEvent.MOUSE_DOWN, mPress);
			stage.addEventListener(MouseEvent.MOUSE_UP, mRelease);
 		 }
 
		public function mPress(e:MouseEvent):void
		{
			var p:DisplayObjectContainer = this.parent;
			//p.removeChild(this);
			p.addChild(this);
			this.startDrag();
		}
		public function mRelease(e:MouseEvent):void {
			this.stopDrag();
		}
	}
}