using System.IO;
using Xceed.Zip.ReaderWriter;
//The target Zip archive.
using (FileStream fileStream1 = new FileStream(@"d:\testOutput\test.zip",
  FileMode.Create, FileAccess.Write))
{
  //Create a ZipWriter object around the stream.
  Xceed.Zip.ReaderWriter.ZipWriter zipWriter1 =
    new Xceed.Zip.ReaderWriter.ZipWriter(fileStream1);
  //Subscribe to the ByteProgression event
  zipWriter1.ByteProgression += new
    EventHandler<ZipWriterByteProgressionEventArgs>(zipWriter1_ByteProgression);
  DirectoryInfo directoryInfo = new DirectoryInfo(@"d:\test\");
  if (directoryInfo.Exists)
  {
    FileInfo[] files = directoryInfo.GetFiles("*.*",
      SearchOption.AllDirectories);
    foreach (FileInfo file in files)
    {
      //Create ZipItemLocalHeader for current item and write to archive.
      ZipItemLocalHeader zipItemLocalHeader1 = new ZipItemLocalHeader
        (file.Name);
      zipWriter1.WriteItemLocalHeader(zipItemLocalHeader1);
      byte[] buffer = new byte[1024];
      int read = 0;
      using (FileStream fs = file.OpenRead())
      {
        //Read the current item's data
        while ((read = fs.Read(buffer, 0, buffer.Length)) != 0)
        {
          //Write the current item's data to the Zip archive
          zipWriter1.WriteItemData(buffer, 0, read);
        }
      }
    }
    //Close the Zip archive
    zipWriter1.CloseZipFile();
    Console.WriteLine("Zip archive created.");
  }
}

//The ByteProgression event's handler. Demonstrates the use of
//the properties of ZipWriterByteProgressionEventArgs.
static void zipWriter1_ByteProgression(object sender, 
  ZipWriterByteProgressionEventArgs e)
{
  Console.WriteLine("Item {0}: CompressionMethod = {1},
    CompressionLevel = {2}.", e.ZipItemLocalHeader.FileName,
    e.ZipItemLocalHeader.CompressionMethod,
    e.ZipItemLocalHeader.CompressionLevel);
}