01.using System;
02.using System.Collections.Generic;
03.using System.ComponentModel;
04.using System.Data;
05.using System.Drawing;
06.using System.Linq;
07.using System.Text;
08.using System.Windows.Forms;
09.using System.IO.Ports;
10.
11.namespace WindowsFormsApplication9
12.{
13. public partial class Form1 : Form
14. {
15. string RxString;
16. private SerialPort COM_port = new SerialPort();
17. public Form1()
18. {
19. InitializeComponent();
20. COM_port.DataReceived += new SerialDataReceivedEventHandler(COM_port_DataReceived);
21.
22. }
23.
24.
25. private void Form1_Load(object sender, EventArgs e)
26. {
27.
28. COM_port.PortName = "COM1";
29. COM_port.BaudRate = 9600;
30. COM_port.Parity = (Parity)Enum.Parse(typeof(Parity), "None");
31. COM_port.StopBits = (StopBits)Enum.Parse(typeof(StopBits), "One");
32. COM_port.DataBits = int.Parse("8");
33. COM_port.Open();
34.
35. }
36. void COM_port_DataReceived(object sender, SerialDataReceivedEventArgs e)
37. {
38. SendText.Invoke(new EventHandler(delegate
39. {
40. ReciveText.AppendText(COM_port.ReadExisting());
41. RxString = COM_port.ReadExisting();
42. COM_port.Write(RxString);
43. }
44. )
45. )
46. ;
47. }
48.
49. private void Send_button_Click(object sender, EventArgs e)
50. {
51. if (SendText.Text != "")
52. COM_port.Write(SendText.Text);
53. }
54.
55. }
56.}
