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1. //¼ì²éÊÇ·ñº¬Óд®¿Ú

2. string[] str = SerialPort.GetPortNames(); 3. if (str == null) 4. {

5. MessageBox.Show(\±¾»úûÓд®¿Ú£¡\ 6. return; 7. } 8.

9. //Ìí¼Ó´®¿ÚÏîÄ¿

10. foreach (string s in System.IO.Ports.SerialPort.GetPortNames()) 11. {//»ñÈ¡ÓжàÉÙ¸öCOM¿Ú 12. cbSerial.Items.Add(s); 13. } 14.

15. //´®¿ÚÉèÖÃĬÈÏÑ¡ÔñÏî

16. cbSerial.SelectedIndex = 0; //ÉèÖÃ

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1. cbBaudRate.SelectedIndex = 5; 2. cbDataBits.SelectedIndex = 3; 3. cbStop.SelectedIndex = 0; 4. cbParity.SelectedIndex = 0;

5. radio1.Checked = true; //·¢ËÍÊý¾ÝµÄ¡°16½øÖÆ¡±µ¥Ñ¡°´Å¥£¨ÕâÀïÎÒÍüÁ˸ÄÃû£¬ÏÖÔÚ¿´×źܲ»Êæ·þ£¡£© 6. rbRcvStr.Checked = true;

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1. private void btnSwitch_Click(object sender, EventArgs e) 2. {

3.

8. //ÉèÖô®¿ÚºÅ

9. string serialName = cbSerial.SelectedItem.ToString(); 10. sp1.PortName = serialName; 11.

12. //ÉèÖø÷¡°´®¿ÚÉèÖá±

13. string strBaudRate = cbBaudRate.Text; 14. string strDateBits = cbDataBits.Text; 15. string strStopBits = cbStop.Text;

16. Int32 iBaudRate = Convert.ToInt32(strBaudRate); 17. Int32 iDateBits = Convert.ToInt32(strDateBits); 18.

19. sp1.BaudRate = iBaudRate; //²¨ÌØÂÊ 20. sp1.DataBits = iDateBits; //Êý¾Ýλ 21. switch (cbStop.Text) //ֹͣλ 22. { 23. case \

24. sp1.StopBits = StopBits.One; 25. break; 26. case \

27. sp1.StopBits = StopBits.OnePointFive; 28. break; 29. case \

30. sp1.StopBits = StopBits.Two; 31. break; 32. default:

33. MessageBox.Show(\£º²ÎÊý²»ÕýÈ·!\ 34. break;

SerialPort sp1 = new SerialPort();

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