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本例中弹出窗口效果模仿的是Flex Buidler—>Help—>About Adobe Flex Builder 3...

窗口代码：

HelpWin.mxml:

<?xml version="1.0" encoding="utf-8"?> 
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml" 
                click="{this.visible=false}" 
                width="450" 
                height="253" 
                borderAlpha="0.8" 
                fontWeight="normal" 
                headerHeight="10" 
                borderColor="#070707" 
                backgroundColor="#070707" 
                color="#FFFFFF" 
                cornerRadius="0" 
                creationComplete="init()"> 
    <mx:Script> 
        <!--[CDATA[  
            private function init():void  
            {  
                move_up.yFrom=can.height - 6;  
                move_up.yTo=0 - content.height + 6;  
                move_up.repeatCount=0; //loop   
                move_up.repeatDelay=0; //loop time   
                move_up.duration=6000; //the time of scroll once   
                move_up.play();  
            }  
 
            private function move_pause():void  
            {  
                move_up.pause(); //pause   
            }  
 
            private function move_resume():void  
            {  
                move_up.resume(); //start from the pause position   
            }  
        ]]--> 
    </mx:Script> 
    <mx:Move id="move_up" 
             target="{content}"/> 
    <mx:VBox width="100%" 
             height="100%" 
             horizontalAlign="center"> 
        <mx:HBox width="100%" 
                 height="40%"/> 
        <mx:Canvas id="can" 
                   width="100%" 
                   height="100%" 
                   left="0" 
                   top="0" 
                   verticalScrollPolicy="off"> 
            <mx:Text id="content" 
                     width="90%" 
                     horizontalCenter="0" 
                     text="Ntt.cc was created br Minidxer in January of 2008 as a site dedicated to the prolification of Macromedia/Adobe Flex and JavaScript/Ajax." 
                     verticalCenter="0"> 
            </mx:Text> 
        </mx:Canvas> 
 
    </mx:VBox> 
    <mx:HBox width="100%"> 
        <mx:Spacer width="100%"/> 
        <mx:Text text="version 0.9.0.0"/> 
    </mx:HBox> 
</mx:TitleWindow>

主应用代码：

WinTest.mxml：

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
                horizontalAlign="center" 
                verticalAlign="middle" 
                backgroundGradientAlphas="[1.0, 1.0]" 
                backgroundGradientColors="[#8A8686, #040404]" 
                color="#FFFFFF"> 
    <mx:Script> 
        <!--[CDATA[  
            import mx.managers.PopUpManager;  
            import components.HelpWin;  
 
            private function showWin():void  
            {  
                var helpWin:HelpWin=HelpWin(PopUpManager.createPopUp(this, HelpWin, false));  
                PopUpManager.centerPopUp(helpWin);  
            }  
        ]]--> 
    </mx:Script> 
    <mx:Button label="Help Window" 
               click="showWin()"/> 
 
</mx:Application>