C# .Net 3.5 Unzip zip file no 3rd party

Question

I am writing a Winform application in .NET 3.5, and I need unzip a .rar or .zip file.
I found many things, but I didn\'t found none 3rd party. I couldn\'t change to .NET 4

Answer 1

How about http://www.codeproject.com/Articles/645214/Compress-Decompress-Zip-Files-w

Not the best solution, but works well if you need basic zip/unzip functionality.

Disclaimer: I'm the author of the article.