public override void Delete()
{
if (IsHardLink)
{
JunctionPoint.Delete(Path);
}
else
{
LongPathDirectory.Delete(Path, true);
}
}
public static void Delete(string path)
{
if (path.Length < MAX_PATH)
{
System.IO.Directory.Delete(path, true);
}
else
{
// NOTE: recursive isn't available on the longpath yet, so we only do this if we have to
//TODO: implement the recursive stuff ourself
LongPathDirectory.Delete(path);
}
}
void IDirectoryAdapter.Delete(string path)
{
AssertAllowed(path);
#if !MONO
var mTx = CurrentTransaction();
if (mTx.HasValue)
{
((IDirectoryAdapter)mTx.Value).Delete(path);
return;
}
#endif
LongPathDirectory.Delete(path);
}
/// <summary>
/// Deletes a junction point at the specified source directory along with the directory itself.
/// Does nothing if the junction point does not exist.
/// </summary>
/// <remarks>
/// Only works on NTFS.
/// </remarks>
/// <param name = "junctionPoint">The junction point path</param>
public static void Delete(Path junctionPoint)
{
if (!LongPathDirectory.Exists(junctionPoint))
{
if (LongPathFile.Exists(junctionPoint))
{
throw new IOException("Path is not a junction point.");
}
return;
}
using (var handle = OpenReparsePoint(junctionPoint, EFileAccess.GenericWrite))
{
var reparseDataBuffer = new REPARSE_DATA_BUFFER();
reparseDataBuffer.ReparseTag = IO_REPARSE_TAG_MOUNT_POINT;
reparseDataBuffer.ReparseDataLength = 0;
reparseDataBuffer.PathBuffer = new byte[0x3ff0];
var inBufferSize = Marshal.SizeOf(reparseDataBuffer);
var inBuffer = Marshal.AllocHGlobal(inBufferSize);
try
{
Marshal.StructureToPtr(reparseDataBuffer, inBuffer, false);
int bytesReturned;
var result = DeviceIoControl(handle.DangerousGetHandle(), FSCTL_DELETE_REPARSE_POINT,
inBuffer, 8, IntPtr.Zero, 0, out bytesReturned, IntPtr.Zero);
if (!result)
{
ThrowLastWin32Error("Unable to delete junction point.");
}
}
finally
{
Marshal.FreeHGlobal(inBuffer);
}
try
{
LongPathDirectory.Delete(junctionPoint);
}
catch (IOException ex)
{
throw new IOException("Unable to delete junction point.", ex);
}
}
}
public override void DeleteDirectory(string directoryPath)
{
foreach (string subdirectoryPathToDelete in EnumerateDirectories(directoryPath))
{
DeleteDirectory(subdirectoryPathToDelete);
}
foreach (string filePathToDelete in EnumerateFiles(directoryPath))
{
DeleteFile(filePathToDelete);
}
LongPathDirectory.Delete(directoryPath);
}
/// <summary>
/// Delete non empty directory tree
/// </summary>
private void DeleteDirectory(string target_dir)
{
string[] files = Directory.GetFiles(target_dir);
string[] dirs = Directory.GetDirectories(target_dir);
foreach (string file in files)
{
try
{
File.SetAttributes(file, FileAttributes.Normal);
File.Delete(file);
}
catch (PathTooLongException)
{
LongPathFile.Delete(file);
}
}
foreach (string dir in dirs)
{
// Only recurse into "normal" directories
if ((File.GetAttributes(dir) & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint)
{
try
{
Directory.Delete(dir, false);
}
catch (PathTooLongException)
{
LongPathDirectory.Delete(dir);
}
}
else
{
DeleteDirectory(dir);
}
}
try
{
Directory.Delete(target_dir, false);
}
catch (PathTooLongException)
{
LongPathDirectory.Delete(target_dir);
}
}
bool IDirectoryAdapter.Delete(string path, bool recursively)
{
AssertAllowed(path);
#if !MONO
var mTx = CurrentTransaction();
if (mTx.HasValue)
{
return(((IDirectoryAdapter)mTx.Value).Delete(path, recursively));
}
#endif
// because of http://stackoverflow.com/questions/3764072/c-win32-how-to-wait-for-a-pending-delete-to-complete
var target = Path.GetRandomFileName();
LongPathDirectory.Move(path, target);
LongPathDirectory.Delete(target, recursively);
return(true);
}
private void OnDeleteButtonClick(object sender, EventArgs e)
{
string selectedPath = (string)fileSystemEntriesListBox.SelectedItem;
try {
if (LongPathDirectory.Exists(selectedPath))
{
LongPathDirectory.Delete(selectedPath);
}
else
{
LongPathFile.Delete(selectedPath);
}
}
catch (IOException ex) {
ShowError(ex);
}
catch (UnauthorizedAccessException ex) {
ShowError(ex);
}
RefreshFileList();
}
/// <summary>
/// Deletes this instance of a <see cref="LongPathDirectoryInfo"/>, specifying whether to delete subdirectories and files.
/// </summary>
/// <param name="recursive"><see langword="true"/> to remove directories, subdirectories, and files in path; otherwise, <see langword="false"/>.</param>
/// <exception cref="UnauthorizedAccessException">The directory contains a read-only file.</exception>
/// <exception cref="DirectoryNotFoundException">The directory described by this <see cref="LongPathDirectoryInfo"/> object does not exist or could not be found.</exception>
/// <exception cref="IOException">
/// The directory is read-only.
/// <para>-or-</para>
/// The directory contains one or more files or subdirectories and <paramref name="recursive"/> is <see langword="false"/>.
/// <para>-or-</para>
/// The directory is the application's current working directory.
/// <para>-or-</para>
/// There is an open handle on the directory, and the operating system is Windows XP or earlier.
/// </exception>
/// <exception cref="SecurityException">The caller does not have the required permission.</exception>
public void Delete(bool recursive)
{
LongPathDirectory.Delete(this.NormalizedPath, recursive);
this.Refresh();
}
