public void GetPrimaryContact()
        {
            Account account = new Account();

            try
            {
                Console.Out.WriteLine(account.GetPrimaryContact());
            }
            catch (CreatesendException ex)
            {
                ErrorResult error = (ErrorResult)ex.Data["ErrorResult"];
                Console.WriteLine(error.Code);
                Console.WriteLine(error.Message);
            }
            catch (Exception ex)
            {
                //handle some other failure
            }
        }
        public void List()
        {
            Account account = new Account();

            try
            {
                foreach(AdministratorDetails p in account.Administrators())
                {
                    Console.Out.WriteLine("{0}", p.EmailAddress);
                    Console.Out.WriteLine("{0}", p.Name);
                }
            }
            catch (CreatesendException ex)
            {
                ErrorResult error = (ErrorResult)ex.Data["ErrorResult"];
                Console.WriteLine(error.Code);
                Console.WriteLine(error.Message);
            }
            catch (Exception ex)
            {
                //handle some other failure
            }
        }
        public void SetPrimaryContact()
        {
            Account account = new Account();

            try
            {
               account.SetPrimaryContact("*****@*****.**");
            }
            catch (CreatesendException ex)
            {
                ErrorResult error = (ErrorResult)ex.Data["ErrorResult"];
                Console.WriteLine(error.Code);
                Console.WriteLine(error.Message);
            }
            catch (Exception ex)
            {
                //handle some other failure
            }
        }