ConoHaNet.OpenStackMember.GetBillingInvoice C# (CSharp) Method

        public BillingInvoice GetBillingInvoice(int invoiceId)
        {
            return AccountServiceProvider.GetBillingInvoice(invoiceId, Identity);
        }

 public void GetBillingInvoiceTest()
 {
     var os = new OpenStackMember(UserName, Password, TenantName); // with tenant
     var invoices = os.ListBillingInvoices();
     Assert.IsNotNull(invoices);
     foreach (var i in invoices)
     {
         var invoice = os.GetBillingInvoice(i.InvoiceId);
         Assert.IsNotNull(invoice);
         Trace.WriteLine(string.Format("AccountId : {0}", invoice.AccountId));
         Trace.WriteLine(string.Format("BalanceBill : {0}", invoice.BalanceBill));
         Trace.WriteLine(string.Format("BalanceBillPlasTax : {0}", invoice.BalanceBillPlasTax));
         Trace.WriteLine(string.Format("Bill : {0}", invoice.Bill));
         Trace.WriteLine(string.Format("BillPlasTax : {0}", invoice.BillPlasTax));
         Trace.WriteLine(string.Format("BrandId : {0}", invoice.BrandId));
         Trace.WriteLine(string.Format("CreatedBy : {0}", invoice.CreatedBy));
         Trace.WriteLine(string.Format("CreatedDate : {0}", invoice.CreatedDate));
         Trace.WriteLine(string.Format("Currency : {0}", invoice.Currency));
         Trace.WriteLine(string.Format("DueDate : {0}", invoice.DueDate));
     }
 }