Zip - Création

gistfile1.cs

using (ZipArchive archive = ZipFile.Open(@"c:\frenchcoding\start.zip", ZipArchiveMode.Create))
{
    archive.CreateEntryFromFile(@"c:\frenchcoding\test.txt", "test_compress.txt");
    archive.CreateEntryFromFile(@"c:\frenchcoding\test2.txt", "test_compress2.txt");
    archive.CreateEntryFromFile(@"c:\frenchcoding\test3.txt", "test_compress3.txt");
}