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Ultimate ZIP Component is a high-speed, reliable Zip library which enables you to add zip/unzip functionality to your .NET applications with only few lines of code. The ZIP component has been designed with a great degree of flexibility and can be used with a wide variety of programming languages and different types of development environments. Available as a managed .NET class, it is fully supported by languages such as Visual Basic, Visual C#, J#, Managed C++, Borland C# Builder, and Delphi.

The ZIP component offers a comprehensive set of classes for compressing and decompressing archive files, providing the developer with everything that he needs to incorporate zip and unzip functionality in an application as listed below:

* WinZip, PKZIP, and UNIX gZip compatible
* Classic Pkzip encryption or AES encryption
* 128-bit, 192-bit, and 256-bit AES encryption standard
* Supports for the Zip64 zip file format
* Supports BZip2 compression algorithm
* Nine (9) compression levels, individual compression level can be set for each file
* Create new zip files or update existing zip files in stream (can be on disk or in memory stream, buffer)
* Extract zip files to disk, memory stream or memory buffer
* Supports Wildcard for batch operations
* Add, move, remove, rename and change attributes of files and folders in a zip file, on disk or in memory
* Update files in a zip file, on disk or in memory
* List contents of zip file with complete file specifications (compression level, file attributes, zipped size, original size, compression rate and CRC)
* Set individual password for each file
* Supports Long file names
* Supports Unicode file names
* High-performance compression engine
* Ability to test files in a zip file
* Control the path information stored in a zip file for each file or folder
* Recursively zip or unzip entire directories and their contents