Flex中通过和Security类中的常量

接下来的例子演示了Flex中通过和Security类中的常量（LOCAL_TRUSTED, LOCAL_WITH_FILE, LOCAL_WITH_NETWORK以及REMOTE）对比sandboxType属性，检查应用程序当前安全沙盒设置。
下面是完整代码:
<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
        layout="vertical" 
        verticalAlign="middle" 
        backgroundColor="white" 
        creationComplete="init();"> 
   
    <mx:Script> 
        <![CDATA[  
            private function init():void {  
                switch (Security.sandboxType) {  
                    case Security.LOCAL_TRUSTED:  
                        sandboxLabel.text += " (Local trusted)";  
                        break;  
                    case Security.LOCAL_WITH_FILE:  
                        sandboxLabel.text += " (Local with file)";  
                        break;  
                    case Security.LOCAL_WITH_NETWORK:  
                        sandboxLabel.text += " (Local with network)";  
                        break;  
                    case Security.REMOTE:  
                        sandboxLabel.text += " (Remote)";  
                        break;  
                }  
            }  
        ]]> 
    </mx:Script> 
   
    <mx:Form> 
        <mx:FormItem label="Security.sandboxType:" fontSize="16"> 
            <mx:Label id="sandboxLabel" text="{Security.sandboxType}" /> 
        </mx:FormItem> 
    </mx:Form> 
   
</mx:Application>