public class PaymentService : IPaymentService
    {
        public IEnumerable<Payment> GetPayments(DateTime? paymentDateStart, DateTime? paymentDateEnd, string paymentType)
        {
        }
    }

            IEnumerable<Payment> payments = null;
            var threadPayment = new Thread(() => payments = paymentService.GetPayments(paymentDateStart, paymentDateEnd, paymentType));
            threadPayment.SetApartmentState(ApartmentState.STA);
            threadPayment.Start();
            threadPayment.Join();