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:
复制代码代码如下:<?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>