/// <summary>
/// Moves file part using virtual cluster, logical cluster on disk and amount of clusters
/// </summary>
/// <param name="path">FileName</param>
/// <param name="vcn">Virtual cluster</param>
/// <param name="lcn">Cluster on disk</param>
/// <param name="count">Amount of clusters</param>
public void MoveFile(string path, Int64 vcn, Int64 lcn, Int32 count)
{
string deviceName = path.Substring(0, 2);
IntPtr hVol = IntPtr.Zero;
IntPtr hFile = IntPtr.Zero;
try
{
hVol = OpenVolume(deviceName);
hFile = OpenFile(path);
MoveFileData mfd = new MoveFileData
{
hFile = hFile,
StartingVcn = vcn,
StartingLcn = lcn,
ClusterCount = count
};
GCHandle handle = GCHandle.Alloc(mfd, GCHandleType.Pinned);
IntPtr p = handle.AddrOfPinnedObject();
uint bufSize = (uint)Marshal.SizeOf(mfd);
uint size = 0;
bool fResult = DeviceIoControl(
hVol,
FsConst.FsctlMoveFile,
p,
bufSize,
IntPtr.Zero, // no output data from this FSCTL
0,
ref size,
IntPtr.Zero);
handle.Free();
if (!fResult)
{
throw new DefragAccessDeniedException(Marshal.GetLastWin32Error().ToString(CultureInfo.InvariantCulture));
}
}
finally
{
CloseHandle(hVol);
CloseHandle(hFile);
}
}
/// <summary>
/// Moves file part using virtual cluster, logical cluster on disk and amount of clusters
/// </summary>
/// <param name="path">FileName</param>
/// <param name="vcn">Virtual cluster</param>
/// <param name="lcn">Cluster on disk</param>
/// <param name="count">Amount of clusters</param>
public void MoveFile(string path, Int64 vcn, Int64 lcn, Int32 count)
{
string deviceName = path.Substring(0, 2);
IntPtr hVol = IntPtr.Zero;
IntPtr hFile = IntPtr.Zero;
try
{
hVol = OpenVolume(deviceName);
hFile = OpenFile(path);
MoveFileData mfd = new MoveFileData
{
hFile = hFile,
StartingVcn = vcn,
StartingLcn = lcn,
ClusterCount = count
};
GCHandle handle = GCHandle.Alloc(mfd, GCHandleType.Pinned);
IntPtr p = handle.AddrOfPinnedObject();
uint bufSize = (uint) Marshal.SizeOf(mfd);
uint size = 0;
bool fResult = DeviceIoControl(
hVol,
FsConst.FsctlMoveFile,
p,
bufSize,
IntPtr.Zero, // no output data from this FSCTL
0,
ref size,
IntPtr.Zero);
handle.Free();
if (!fResult)
{
throw new DefragAccessDeniedException(Marshal.GetLastWin32Error().ToString(CultureInfo.InvariantCulture));
}
}
finally
{
CloseHandle(hVol);
CloseHandle(hFile);
}
}
