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;
10.using System.IO.Ports;
11.using System.Management;
12.using System.Management.Instrumentation;
13.using Microsoft.Win32;
14.using System.Diagnostics;
15.
16.namespace GetSerailPort
17.{
18. public partial class Form1 : Form
19. {
20. public Form1()
21. {
22. InitializeComponent();
23. }
24. private void Form1_Load(object sender, EventArgs e)
25. {
26. ManagementObjectCollection mObjCol;
27. ManagementObjectSearcher mObjSearch;
28. mObjSearch = new ManagementObjectSearcher("Select * from Win32_PnPEntity");
29. mObjCol = mObjSearch.Get();
30. foreach (ManagementObject mObj in mObjCol)
31. {
32. if (mObj["ClassGUID"].ToString() == "{4D36E978-E325-11CE-BFC1-08002BE10318}")
33. {
34. listBox1.Items.Add(mObj["Name"].ToString());
35. }
36. }
37. }
38.
39. }
40.}
