Creating Directories in a ZipArchive C# .Net 4.5

You can use something like the following, in other words, create the directory structure by hand:

using (var fs = new FileStream("1.zip", FileMode.Create))
using (var zip = new ZipArchive(fs, ZipArchiveMode.Create))
{
    zip.CreateEntry("12/3/"); // just end with "https://stackoverflow.com/"
}