Auslistung aller leeren Ordner - Dos Befehl??

using System;
using System.IO;

class Program {

    static void Info(string ErrorMsg)
    {
        if (ErrorMsg != null)
        {
            Console.WriteLine("Fehler: {0}", ErrorMsg);
            Console.WriteLine();
        }
        string sExecutable = Environment.CommandLine;
        int p = sExecutable.IndexOf(" ");
        if (p > 0) {
            sExecutable = sExecutable.Substring(0, p);
        }

        Console.WriteLine("Aufruf: {0} [-s] [Verzeichnis]", sExecutable);
        Console.WriteLine();
        Console.WriteLine("  [-s]           Es werden auch Unterverzeichnisse angezeigt, welche zwar keine");
        Console.WriteLine("                 Dateien, aber weitere Unterverzeichnisse enthalten");
        Console.WriteLine("  [Verzeichnis]  Wurzelverzeichnis");
        Console.WriteLine();
    }

    static void Main(string[] args)
    {
        string sRootDirectory = null;
        bool bFindWithoutSubdirectories = true;

        foreach (string arg in args)
        {
            if (arg.StartsWith("-") || arg.StartsWith("/"))
            {
                string argl = arg.Substring(1).ToLower();
                if (argl == "s")
                {
                    bFindWithoutSubdirectories = false;
                }
                else
                {
                    Info("Falscher Parameter: " + arg);
                    return;
                }
            }
            else
            {
                if (sRootDirectory != null)
                {
                    Info("Falscher Parameter: " + arg);
                    return;
                }

                sRootDirectory = arg;
            }
        }

        if (sRootDirectory == null)
        {
            sRootDirectory = Environment.CurrentDirectory;
        }

        string[] DirectoryList = Directory.GetDirectories(sRootDirectory, "*.*", SearchOption.AllDirectories);
        foreach (string sDirectory in DirectoryList)
        {
            if (Directory.GetFiles(sDirectory).Length > 0) continue;    // Dateien gefunden

            if (bFindWithoutSubdirectories)
            {
                if (Directory.GetDirectories(sDirectory).Length > 0) continue; // Unterverzeichnisse gefunden
            }

            Console.WriteLine(sDirectory);
        }
    }
    
}