visible vs includeInLayout

说说它俩的区别：

使用visible = false:  使得该对象不可见，但是它依然占据着那个位置。

使用includeInLayout = false :该对象的位置将会被后面的对象补上

 

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
<mx:Script>
	<![CDATA[
		private function includeInLayoutClick():void{
			if(this.btn1.includeInLayout == false){
				this.btn1.includeInLayout = true ;
			}else{
				this.btn1.includeInLayout = false ;
			}
		}
		private function visibleClick():void{
			if(this.btn2.visible == false){
				this.btn2.visible = true ;
			}else{
				this.btn2.visible = false ;				
			}
		}
	]]>
</mx:Script>
	<mx:HBox width="100%" height="300">
		<mx:Button id="btn1" label="Button1"/>
		<mx:Button id="btn2" label="Button2"/>
		<mx:Button id="btn3" label="Button3"/>
		<mx:Button id="btn4" label="Button4"/>
	</mx:HBox>
	<mx:Button x="29" y="308" label="includeInLayout" click="includeInLayoutClick()"/>
	<mx:Button x="189" y="308" label="visible" click="visibleClick()"/>
	
</mx:Application>