// Create a symbolic link at "newpath" that points to "oldpath".
// Throws "NotSupportedException" if the filesystem does not
// support the creation of symbolic links or ".lnk" files.
public static void CreateLink(String oldpath, String newpath)
{
// Validate and normalize the parameters.
Directory.ValidatePath(oldpath);
Directory.ValidatePath(newpath);
oldpath = Path.NormalizeSeparators(oldpath);
newpath = Path.NormalizeSeparators(newpath);
// Try to create the symlink using the engine.
Errno error = FileMethods.CreateLink(oldpath, newpath);
if (error == Errno.Success)
{
return;
}
else if (error != Errno.EPERM)
{
Directory.HandleErrorsFile(error);
}
// Bail out if we are not on Windows.
if (!IsWindows())
{
throw new NotSupportedException(_("IO_NotSupp_Symlinks"));
}
// Make sure that we have ".lnk" on the end of the pathname.
if (!EndsInLnk(newpath))
{
if (FileMethods.GetFileType(newpath) != FileType.unknown)
{
// There already exists something at this location.
Directory.HandleErrorsFile(Errno.EEXIST);
}
newpath += ".lnk";
}
if (FileMethods.GetFileType(newpath) != FileType.unknown)
{
// There already exists something at this location.
Directory.HandleErrorsFile(Errno.EEXIST);
}
// Create the shortcut information to place in the file.
ShortcutInformation info = new ShortcutInformation();
info.Description = oldpath;
info.RelativePath = oldpath;
info.ShowWindow = ShowWindow.Normal;
// Write the shortcut information to the file.
WriteShortcut(newpath, info, false);
}
