Question

I have a directory that contains several files. I want compress this folder to a zip or tar.gz file. How can I do his work in C#?

Answer 1

You can use DotNetZip Library. It has quite rich and useful features.

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EDIT:

string[] MainDirs = Directory.GetDirectories(DirString);

for (int i = 0; i < MainDirs.Length; i++)
{
    using (ZipFile zip = new ZipFile())
    {
        zip.UseUnicodeAsNecessary = true;
        zip.AddDirectory(MainDirs[i]);
        zip.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression;
        zip.Comment = "This zip was created at " + System.DateTime.Now.ToString("G");
        zip.Save(string.Format("test{0}.zip", i));   
    }
}