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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- security/SecurityErrorExample.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">
<s:layout>
<s:VerticalLayout />
</s:layout>
<fx:Script>
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.events.SecurityErrorEvent;
import mx.controls.Alert;
private var loader:URLLoader = new URLLoader();
private function triggerSecurityError():void {
var request:URLRequest = new URLRequest("c:/temp/feeds.txt");
try {
loader.load(request);
} catch (error:SecurityError) {
Alert.show(error.name + ": " + error.message);
}
}
</fx:Script>
<s:Button id="b1" label="Trigger Security Error" click="triggerSecurityError()" />
</s:Application>
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