System.Security.Policy.ApplicationTrust.ToXml C# (CSharp) Method

        public SecurityElement ToXml()
        {
            return default(SecurityElement);
        }

 public static void ApplicationTrustCallMethods()
 {
     ApplicationTrust at = new ApplicationTrust();
     SecurityElement se = new SecurityElement("");
     at.FromXml(se);
     se = at.ToXml();
 }