FSClient.Account.HandleGatewayEvent C# (CSharp) Method

        public static void HandleGatewayEvent(FSEvent evt)
        {
            String gateway = evt.get_header("Gateway");
            Account account = (from a in accounts where a.gateway_id == gateway select a).SingleOrDefault();
            if (account == null)
                return;
            account.state = evt.get_header("State");
        }