title: How to use the 7z SDK to compress and decompress a XZ file
body: <p>How can I use 7z SDK (<a href="http://www.7-zip.org/sdk.html" rel="nofollow">http://www.7-zip.org/sdk.html</a>) to compress/decompress a <strong>XZ</strong> file in C# if the input/output is a file stream?</p>