private void ResizeVolume()
{
long additionalNumberOfSectors = m_additionalNumberOfBytes / m_volume.BytesPerSector;
btnBack.Enabled = false;
btnNext.Enabled = false;
m_processing = true;
m_resizeTimer = new System.Windows.Forms.Timer();
m_resizeTimer.Interval = 1000;
m_resizeTimer.Tick += new EventHandler(ResizeTimer_Tick);
m_resizeTimer.Start();
Thread thread = new Thread(delegate()
{
// Because of performance implications, we must fill the container
// before writing the updated TrueCrypt header to the end of the container.
// See here for more details: http://blogs.msdn.com/b/oldnewthing/archive/2011/09/22/10215053.aspx
long oldSize = m_disk.Size;
m_bytesToFill = additionalNumberOfSectors * m_disk.BytesPerSector;
try
{
m_disk.Extend(m_bytesToFill);
}
catch (IOException ex)
{
MessageBox.Show(ex.Message, "Error");
this.Invoke((MethodInvoker) delegate()
{
btnBack.Enabled = true;
btnNext.Enabled = true;
});
return;
}
if (chkFillWithRandomData.Checked)
{
TrueCryptResize.FillAllocatedSpaceWithData(m_disk, oldSize, ref m_bytesFilled);
}
MasterBootRecord mbr = MasterBootRecord.ReadFromDisk(m_disk);
if (mbr != null && mbr.IsGPTBasedDisk)
{
GuidPartitionTable.RebaseDisk(m_disk, mbr);
}
m_resizeStatus = TrueCryptResize.ExtendVolumeAndFileSystem(m_disk, m_password, additionalNumberOfSectors);
// reinitialize the partition / volume
m_partition = VolumeSelectionHelper.GetLastPartition(m_disk);
m_volume = new TrueCryptVolume(m_partition, m_password);
m_processing = false;
});
thread.Start();
if (chkFillWithRandomData.Checked)
{
progressBarFillWithRandomData.Visible = true;
}
}
public static TrueCryptResizeStatus ExtendVolumeAndFileSystem(Disk disk, byte[] password, long additionalNumberOfSectors)
{
Volume partition = VolumeSelectionHelper.GetLastPartition(disk);
TrueCryptVolume volume;
try
{
volume = new TrueCryptVolume(partition, password);
}
catch (InvalidDataException)
{
return(TrueCryptResizeStatus.InvalidDisk);
}
catch (NotSupportedException)
{
return(TrueCryptResizeStatus.UnsupportedFormatVersion);
}
if (volume.IsHiddenVolume)
{
return(TrueCryptResizeStatus.HiddenVolume);
}
NTFSVolume ntfsVolume;
try
{
ntfsVolume = new NTFSVolume(volume);
}
catch (InvalidDataException)
{
return(TrueCryptResizeStatus.UnsupportedFileSystem);
}
catch (NotSupportedException)
{
return(TrueCryptResizeStatus.UnsupportedFileSystem);
}
TrueCryptResizeStatus status = ExtendVolume(disk, password, additionalNumberOfSectors);
if (status == TrueCryptResizeStatus.Success)
{
// Reinitialize the partition / volume
partition = VolumeSelectionHelper.GetLastPartition(disk);
volume = new TrueCryptVolume(partition, password);
ntfsVolume = new NTFSVolume(volume);
long availableBytes = ntfsVolume.GetMaximumSizeToExtend();
long availableSectors = availableBytes / disk.BytesPerSector;
ntfsVolume.Extend(availableSectors);
return(TrueCryptResizeStatus.Success);
}
else
{
return(status);
}
}