[Flex] copy .. file

private function main() : void
{
var file:File = File.applicationDirectory.resolvePath("images/booklist.gif");


var cpy:File = File.desktopDirectory.resolvePath("create.gif");

try {
file.copyTo(cpy, true);
} catch (e:Error) {
//alert.showTitleBar("Overwirte?");
}

}