Flex4 callLater参数问题

上代码：

callLater(doSomething, [event, "Product Description"]); 
... 
private function doSomething(event:Event, title:String):void { 
    ... 
}

如果你需要更多的参数，在中括号就是数组里面继续加参数，前提是callLater(方法名,args[])的参数要和被调的方法中的参数类型和顺序一致。

<?xml version="1.0"?>
<!-- layoutperformance/CallLaterTicker.mxml -->
<s:Application 
    xmlns:fx="http://ns.adobe.com/mxml/2009"    
    xmlns:mx="library://ns.adobe.com/flex/mx"     
    xmlns:s="library://ns.adobe.com/flex/spark">
    
    <fx:Script><![CDATA[
    
        [Bindable]
        public var text:String = "SLAR:95.5....TIBA:42....RTF:34.15....AST:23.42";
        [Bindable]
        public var speed:Number = 5;

        public function initTicker():void {
            theText.move( this.width+10, 0 ); // Start the text on the right side.
            callLater(moveText,["Hello world"]);
        }

        public function moveText(str:String):void {
            var xpos:Number = theText.x+str.length;
            if( xpos-speed+theText.width < 0 ) {
                xpos = this.width+10; // Start the text on the right side.
            }
            xpos -= speed;
            theText.move(xpos,0);
            callLater(moveText,["Hello world"]);
        }

        public function changeSpeed():void {
            speed = speedSelector.value;
        }
        
    ]]></fx:Script>

    <s:Panel title="Ticker Sample" width="400" height="200">
        <s:VGroup>
                <mx:Canvas creationComplete="initTicker()"
                    horizontalScrollPolicy="off" backgroundColor="red" color="white"
                    width="400">
                <mx:Label id="theText" text="{text}" y="0"/>
            </mx:Canvas>
            <mx:HBox>
                <mx:Label text="Speed:"/>
                <mx:HSlider minimum="1" maximum="10" value="{speed}"
                    id="speedSelector" snapInterval="1" tickInterval="1"
                    change="changeSpeed()"/>
            </mx:HBox>
        </s:VGroup>
    </s:Panel>
</s:Application>

from http://help.adobe.com/en_US/flex/using/WS2db454920e96a9e51e63e3d11c0bf69084-7b06.html