Using .NET to Compress Zip Files

Download http://www.icsharpcode.net/OpenSource/SharpZipLib/

using ICSharpCode.SharpZipLib.Core;

using ICSharpCode.SharpZipLib.Zip;

ZipOutputStream s = new ZipOutputStream(File.Create(@"c:\test.zip"));

byte[] buf = new byte[4096];

s.SetLevel(5);

ZipEntry e;

 

foreach (string fn in filenames)

{

    e = new ZipEntry(fn);

    s.PutNextEntry(e);

    FileStream fs = File.OpenRead(fn);

    StreamUtils.Copy(fs, s, buf);

    fs.Close();

    fs.Dispose();

    Console.WriteLine("Adding " + fn);

}

s.Close();

s.Dispose();