获取驱动器

private void Bd()
        {
            DriveInfo[] MyDrives = DriveInfo.GetDrives();
            try
            {
                foreach (DriveInfo MyDrive in MyDrives)
                {
                    String MyType = "";
                    switch (MyDrive.DriveType)
                    {
                        case DriveType.CDRom:
                            MyType = "光盘设备";
                            break;
                        case DriveType.Fixed:
                            MyType = "固定硬盘";
                            break;
                        case DriveType.Network:
                            MyType = "网络驱动器";
                            break;
                        case DriveType.NoRootDirectory:
                            MyType = "没有根目录";
                            break;
                        case DriveType.Ram:
                            MyType = "RAM磁盘";
                            break;
                        case DriveType.Removable:
                            MyType = "可移动设备";
                            break;
                        case DriveType.Unknown:
                            MyType = "未知设备";
                            break;
                    }
                    if (MyDrive.DriveType == DriveType.Fixed)
                    {
                        String[] MySubItems ={ MyDrive.Name.ToString(),
                            MyDrive.RootDirectory.ToString(),
                            MyDrive.DriveFormat.ToString(),
                            MyType,
                            MyDrive.VolumeLabel.ToString(),
                            (MyDrive.TotalSize/1024/1024).ToString()+"M",
                            (MyDrive.TotalFreeSpace/1024/1024).ToString()+"M",
                            (MyDrive.AvailableFreeSpace/1024/1024).ToString()+"M"};
                        ListViewItem MyItem = new ListViewItem(MySubItems);
                        this.listView1.Items.Add(MyItem);
                    }
                    else
                    {
                        String[] MySubItems ={ MyDrive.Name,
                            MyDrive.RootDirectory.FullName,
                            "",MyType,"","","",""};
                        ListViewItem MyItem = new ListViewItem(MySubItems);
                        this.listView1.Items.Add(MyItem);
                    }
                }
            }
            catch (Exception MyEx)
            {
                MessageBox.Show(MyEx.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }