/// <summary>
		/// Extract the contents of a zip file.
		/// </summary>
		/// <param name="zipFileName">The zip file to extract from.</param>
		/// <param name="targetDirectory">The directory to save extracted information in.</param>
		/// <param name="overwrite">The style of <see cref="Overwrite">overwriting</see> to apply.</param>
		/// <param name="confirmDelegate">A delegate to invoke when confirming overwriting.</param>
		/// <param name="fileFilter">A filter to apply to files.</param>
		/// <param name="directoryFilter">A filter to apply to directories.</param>
		/// <param name="restoreDateTime">Flag indicating wether to restore the date and time for extracted files.</param>
		public void ExtractZip(string zipFileName, string targetDirectory,
		                       Overwrite overwrite, ConfirmOverwriteDelegate confirmDelegate,
		                       string fileFilter, string directoryFilter, bool restoreDateTime)
		{
			if ((overwrite == Overwrite.Prompt) && (confirmDelegate == null))
			{
				throw new ArgumentNullException("confirmDelegate");
			}

			continueRunning_ = true;
			overwrite_ = overwrite;
			confirmDelegate_ = confirmDelegate;
			targetDirectory_ = targetDirectory;
			fileFilter_ = new NameFilter(fileFilter);
			directoryFilter_ = new NameFilter(directoryFilter);
			restoreDateTimeOnExtract_ = restoreDateTime;

			using (zipFile_ = new ZipFile(zipFileName))
			{
#if !NETCF_1_0
				if (password_ != null)
				{
					zipFile_.Password = password_;
				}
#endif

				IEnumerator enumerator = zipFile_.GetEnumerator();
				while (continueRunning_ && enumerator.MoveNext())
				{
					ZipEntry entry = (ZipEntry) enumerator.Current;
					if (entry.IsFile)
					{
						if (directoryFilter_.IsMatch(Path.GetDirectoryName(entry.Name)) && fileFilter_.IsMatch(entry.Name))
						{
							ExtractEntry(entry);
						}
					}
					else if (entry.IsDirectory)
					{
						if (directoryFilter_.IsMatch(entry.Name) && CreateEmptyDirectories)
						{
							ExtractEntry(entry);
						}
					}
					else
					{
						// Do nothing for volume labels etc...
					}
				}
			}
		}
		/// <summary>
		/// Initialise a new instance of <see cref="PathFilter"></see>.
		/// </summary>
		/// <param name="filter">The <see cref="NameFilter">filter</see> expression to apply.</param>
		public PathFilter(string filter)
		{
			nameFilter_ = new NameFilter(filter);
		}