public ChangeDriveLetterForm(Volume volume)
{
InitializeComponent();
this.Font = SystemFonts.MessageBoxFont;
this.Volume = volume;
string currDrive = volume.DriveLetter2;
if (currDrive == null) {
btnOK.Text = "Add";
} else {
cmbDriveLetter.Items.Add("");
}
var drives = new List<string>();
for (char letter = 'A'; letter <= 'Z'; letter++) {
drives.Add(letter.ToString() + ":");
}
foreach (var drive in DriveInfo.GetDrives()) {
var driveName = drive.Name.Substring(0, 2);
if (driveName.Equals(currDrive, StringComparison.OrdinalIgnoreCase) == false) {
drives.Remove(driveName);
}
}
foreach (var drive in drives) {
cmbDriveLetter.Items.Add(drive);
}
if (currDrive != null) { cmbDriveLetter.SelectedItem = currDrive; }
}
public static IList<Volume> GetVolumesOnPhysicalDrive(int driveNumber)
{
var volumes = new List<Volume>();
var sb = new StringBuilder(50);
var volumeSearchHandle = NativeMethods.FindFirstVolume(sb, sb.Capacity);
if (volumeSearchHandle.IsInvalid == false) {
do {
var volume = new Volume(sb.ToString());
if (volume.PhysicalDriveNumber == driveNumber) {
volumes.Add(volume);
}
} while (NativeMethods.FindNextVolume(volumeSearchHandle, sb, sb.Capacity));
}
volumeSearchHandle.Close();
volumes.Sort(
delegate(Volume volume1, Volume volume2) {
if ((volume1.PhysicalDriveExtentOffset ?? -1) < (volume2.PhysicalDriveExtentOffset ?? -1)) {
return -1;
} else if ((volume1.PhysicalDriveExtentOffset ?? -1) > (volume2.PhysicalDriveExtentOffset ?? -1)) {
return +1;
} else {
return 0;
}
}
);
return volumes.AsReadOnly();
}
private static void ReceivedChangeDriveLetter(TinyPacket packet)
{
try {
var volume = new Volume(packet["VolumeName"]);
var newDriveLetter = packet["NewDriveLetter"];
if (string.IsNullOrEmpty(newDriveLetter)) {
volume.RemoveLetter();
} else {
volume.ChangeLetter(newDriveLetter);
}
} catch (Exception ex) {
Medo.Diagnostics.ErrorReport.SaveToTemp(ex);
throw new InvalidOperationException("Cannot change drive letter.", ex);
}
}
