/// <summary>
/// Extracts all the files in the specified zip archive to a directory on the file system and uses the specified character encoding for entry names, and IProgress.
/// </summary>
/// <param name="sourceArchiveFileName">The path to the archive that is to be extracted.</param>
/// <param name="destinationDirectoryName">The path to the directory in which to place the extracted files, specified as a relative or absolute path. A relative path is interpreted as relative to the current working directory.</param>
/// <param name="entryNameEncoding">The encoding to use when reading or writing entry names in this archive. Specify a value for this parameter only when an encoding is required for interoperability with zip archive tools and libraries that do not support UTF-8 encoding for entry names.</param>
/// <param name="progress">A provider for progress updates.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public static async Task ExtractToDirectoryAsync(string sourceArchiveFileName, string destinationDirectoryName, Encoding entryNameEncoding, IProgress <ZipArchiveEntryProgressInfo> progress)
{
if (!File.Exists(sourceArchiveFileName))
{
throw new FileNotFoundException(string.Format("{0} does not exist.", sourceArchiveFileName));
}
if (!Directory.Exists(destinationDirectoryName))
{
throw new DirectoryNotFoundException(string.Format("{0} does not exist.", destinationDirectoryName));
}
using (var zip = new ZipArchive(File.OpenRead(sourceArchiveFileName), ZipArchiveMode.Read, false, entryNameEncoding))
{
await zip.ExtractToDirectoryAsync(destinationDirectoryName, progress);
}
}
/// <summary>
/// Extracts all the files in the zip archive to a directory on the file system.
/// </summary>
/// <param name="zip">The zip archive to extract files from.</param>
/// <param name="destinationDirectoryName">The path to the directory to place the extracted files in. You can specify either a relative or an absolute path. A relative path is interpreted as relative to the current working directory.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public static async Task ExtractToDirectoryAsync(this ZipArchive zip, string destinationDirectoryName)
{
await zip.ExtractToDirectoryAsync(destinationDirectoryName, null);
}
