namespace System.IO.Compression { public static class ZipFileExtensions { public static ZipArchiveEntry CreateEntryFromFile(this ZipArchive destination, string sourceFileName, string entryName); public static ZipArchiveEntry CreateEntryFromFile(this ZipArchive destination, string sourceFileName, string entryName, CompressionLevel compressionLevel); public static void ExtractToDirectory(this ZipArchive source, string destinationDirectoryName); public static void ExtractToFile(this ZipArchiveEntry source, string destinationFileName); public static void ExtractToFile(this ZipArchiveEntry source, string destinationFileName, bool overwrite); } }