Features * Easy to use API (see the tutorial). * International characters in filenames (Unicode support). * Supports large files (over 4GB). * Wildcards support for adding, extracting and deleting files. * Recursive directory tree operations. * Both stream and file based operations. * Create ZIP files in memory. * Add data to ZIP file from stream or memory. * Written in 100% pure .NET. * All samples available in C# and VB.NET. * Samples for command line, WinForms and ASP.NET. * Add, extract, rename, delete files in ZIP archive. * 10 compression levels. * ZIP archive shrinking. * Events and delegates for effortless integration with your applications. * Component source code available (C#). * Deflate and Enhanced Deflate support (compatible with Deflate64(tm) by PKWARE). * Read/write comments within ZIP file. * Open self-extracting ZIP archives. * Ability to inflate (decompress) directly to in-memory byte array. * Searching for files inside the archive by wildcard mask. * Support for IEnumerable<T> in ZIP item collections (required for using LINQ). * All operations are done without any temporary files. * Archive contents listings with complete file details (original size, compressed size, compression level, creation and last modification dates, CRC checksum). * Custom Deflate algorithm implementation - no dependency on any open-source ZLib compression libraries (unlike many others).