Check connection

This function should be called when the cash register application starts. By doing this, IPPOS connects the bank and updates the key.

Description of Response object

Request object	Purpose	Description
request.operationCode	Operation number	Will send constant 26
request.TerminalID	Terminal ID	IPPOS terminal ID given by the bank. Each cash register has a different terminal ID.
request.Amount	Transaction amount	Transaction amount. The last 2 digits are fractions.
request.CurrencyCode	Currency	Will send constant 496.

C# Sample code

  DualConnector.DCLink dclink = new DualConnector.DCLink();
  DualConnector.ISAPacket request = new DualConnector.SAPacket();
  DualConnector.ISAPacket response = new DualConnector.SAPacket();
  request.OperationCode = 26;
  request.TerminalID = "13133707";
  try
  {
      int res = dclink.InitResources();
      if (res != 0)
      {
          Console.Write("Exception during InitResource: " + dclink.ErrorDescription);
      }
      else
      {
          res = dclink.Exchange(ref request, ref response, 5000000);
          if (res != 0)
          {
              Console.Write("Exception during Exchange: " + dclink.ErrorDescription);
          }
      }
      dclink.FreeResources();
      if (response.Status == 1)
      {
          Console.Write("Successful");
      }
      else
      {
          Console.Write("Failed");
          Console.WriteLine("Error reason:" + response.TextResponse);
      }
  }
  catch (Exception e)
  {
      Console.Write("Exception during DualConnector: " + e.Message);
  }
  Console.ReadKey();

Description of the Response object

Response object	Purpose	Description
response.status	Transaction status	Response code of 1 is considered transaction is successful. If the response code is anything else, the transaction is considered unsuccessful.
response.TextResponse	Error description	Contains an error description when the operation fails.