System.Security.Util.XMLUtil.SecurityObjectToXmlString C# (CSharp) Method

        public static String SecurityObjectToXmlString(Object ob)
        {
            if(ob == null)
                return "";
            PermissionSet pset = ob as PermissionSet;
            if(pset != null)
                return pset.ToXml().ToString();
            return ((IPermission)ob).ToXml().ToString();
        }