private static ExtendFileSystemResult ExtendMountedFileSystem(Volume volume, Guid windowsVolumeGuid, long numberOfAdditionalSectors)
{
// Windows Vista / 7 enforce various limitations on direct write operations to volumes and disks.
// We either have to take the disk(s) offline or use the OS volume handle for write operations.
// http://msdn.microsoft.com/en-us/library/ff551353%28v=vs.85%29.aspx
OperatingSystemVolume osVolume = new OperatingSystemVolume(windowsVolumeGuid, volume.BytesPerSector, volume.Size);
IExtendableFileSystem fileSystem = FileSystemHelper.ReadFileSystem(osVolume) as IExtendableFileSystem;
if (fileSystem == null)
{
return(ExtendFileSystemResult.UnsupportedFileSystem);
}
bool success = WindowsVolumeManager.ExclusiveLock(windowsVolumeGuid, FileAccess.ReadWrite);
if (!success)
{
return(ExtendFileSystemResult.CannotLockVolume);
}
// Dismounting the volume will make sure the OS have the correct filesystem size. (locking the volume is not enough)
success = WindowsVolumeManager.DismountVolume(windowsVolumeGuid);
if (!success)
{
return(ExtendFileSystemResult.CannotDismountVolume);
}
fileSystem.Extend(numberOfAdditionalSectors);
WindowsVolumeManager.ReleaseLock(windowsVolumeGuid);
return(ExtendFileSystemResult.Success);
}
private void btnOK_Click(object sender, EventArgs e)
{
if (listVolumes.SelectedItems.Count > 0)
{
Volume selectedVolume = (Volume)listVolumes.SelectedItems[0].Tag;
if (selectedVolume is DynamicVolume && !((DynamicVolume)selectedVolume).IsOperational)
{
MessageBox.Show("The selected volume is not operational", "Error");
return;
}
if (!chkReadOnly.Checked)
{
bool skipLock = (Environment.OSVersion.Version.Major >= 6 && VolumeInfo.IsOffline(selectedVolume));
if (!skipLock)
{
Guid?volumeGuid = WindowsVolumeHelper.GetWindowsVolumeGuid(selectedVolume);
if (Environment.OSVersion.Version.Major >= 6)
{
// Windows Vista / 7 enforce various limitations on direct write operations to volumes and disks.
// We either have to take the disk(s) offline or use the OS volume handle for write operations.
if (!volumeGuid.HasValue)
{
MessageBox.Show("The selected volume is not recognized by your operating system");
return;
}
selectedVolume = new OperatingSystemVolume(volumeGuid.Value, selectedVolume.BytesPerSector, selectedVolume.Size, chkReadOnly.Checked);
}
bool isLocked = false;
if (volumeGuid.HasValue)
{
isLocked = WindowsVolumeManager.ExclusiveLock(volumeGuid.Value);
}
if (!isLocked)
{
MessageBox.Show("Unable to lock the volume", "Error");
return;
}
}
}
m_selectedVolume = selectedVolume;
m_isReadOnly = chkReadOnly.Checked;
this.DialogResult = DialogResult.OK;
this.Close();
}
else
{
MessageBox.Show("No volume was selected", "Error");
return;
}
}
