01.private SerialPort InitializeScanner()
02.{
03. SerialPort port = null;
04. bool result;
05. int iPort = 2;
06. do
07. {
08. try
09. {
10. result = true;
11. port = new SerialPort("COM" + iPort, 9600, Parity.None, 8, StopBits.One);
12. port.Close();
13. if (!port.IsOpen)
14. port.Open();
15. port.DiscardOutBuffer();
16. port.DiscardInBuffer();
17. port.DataReceived += OnScan;
18. }
19. catch (IOException)
20. {
21. iPort++;
22. result = false;
23. }
24. } while (result == false && iPort <= 20);
25.
26. return port;
27.}
