namespace System.IO.Compression { public static class ZipFile { public static void CreateFromDirectory(string sourceDirectoryName, string destinationArchiveFileName); public static void CreateFromDirectory(string sourceDirectoryName, string destinationArchiveFileName, CompressionLevel compressionLevel, bool includeBaseDirectory); public static void CreateFromDirectory(string sourceDirectoryName, string destinationArchiveFileName, CompressionLevel compressionLevel, bool includeBaseDirectory, Encoding entryNameEncoding); public static void ExtractToDirectory(string sourceArchiveFileName, string destinationDirectoryName); public static void ExtractToDirectory(string sourceArchiveFileName, string destinationDirectoryName, Encoding entryNameEncoding); public static ZipArchive Open(string archiveFileName, ZipArchiveMode mode); public static ZipArchive Open(string archiveFileName, ZipArchiveMode mode, Encoding entryNameEncoding); public static ZipArchive OpenRead(string archiveFileName); } }