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SevenZipSharp Description

A managed 7-zip library written in C# which provides data (self-)extraction and compression

SevenZipSharp is an open source wrapper for 7-zip released under LGPL v3.0. It exploits the native 7zip dynamic link library through its COM interface and exports classes to work with various file archives. The project appeared as an improvement of http://www.codeproject.com/KB/DLL/cs_interface_7zip.aspx. It supports .NET and Windows Mobile .NET Compact.

The solution consists of SevenZipSharp library itself, console, WinForms and WPF test applications and the documentation. All are built with Microsoft Visual Studio 2008 or 2010 and under .NET 2.0 (up to 4.0).
To build the documentation, you must have Sandcastle and DocProject installed.
SevenZipSharp uses JetBrains ReSharper to maintain the quality of the code.

Native libraries

SevenZipSharp requires a 7-zip native library to function. You can specify the path to a 7-zip dll (7z.dll, 7za.dll, etc.) in LibraryManager.cs at compile time, your app.config or via SetLibraryPath() method at runtime. + "7z.dll" is the default path. For 64-bit systems, you must use the 64-bit versions of those libraries.
7-zip ships with 7z.dll, which is used for all archive operations (usually it is "Program Files\7-Zip\7z.dll"). 7za.dll is a light version of 7z.dll, it supports only 7zip archives. You may even build your own library with formats you want from 7-zip sources. SevenZipSharp will work with them all.

Main features

* Encryption and passwords are supported.
* Since the 0.26 release, archive properties are supported.
* Since the 0.28 release, multi-threading is supported.
* Since the 0.29 release, streaming is supported.
* Since the 0.41 release, you can specify the compression level and method.
* Since the 0.50 release, archive volumes are supported.
* Since the 0.51 release, archive updates are supported (0.52 - ModifyArchive). You must use the most recent 7z.dll (v>=9.04) for this feature.
* Since the 0.61 release, Windows Mobile ARM platforms are supported.
* Since the 0.62 release, extraction from SFX archives, as well as some other formats with embedded archives is supported.

Extraction is supported from any archive format in InArchiveFormat - such as 7-zip itself, zip, rar or cab and the format is automatically guessed by the archive signature (since the 0.43 release).
You can compress streams, files or whole directories in OutArchiveFormat - 7-zip, Xz, Zip, GZip, BZip2 and Tar.

Please note that GZip and BZip2 compresses only one file at a tme.

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