C#

private void CommandReceived(object sender, CommandEventArgs e)
        {
            
            switch (e.Command.CommandType)
            {
                case CommandsType.NewUser:
                    {
                        int ret = CreateNewUser(e.Command.SenderUsername, e.Command.MetaData);
                        Command cmd = new Command(CommandsType.NewUser, "server", e.Command.SenderUsername, ret.ToString());
                        SendCommandToTarget(cmd);
                        UpdateConsole("new client registration ", "", IPAddress.None, 0);

                        break;
                    }
            }
      }

private int CreateNewUser(string u, string pne)
        {
            try
            {
                RMData db = new RMData();
                string username = u;
                string password = pne.Split(new char[] { ':' })[0];
                string email = pne.Split(new char[] { ':' })[1];
                Users user = db.Users.SingleOrDefault(usr => usr.Username == username);
                if (user != null)
                    return 1;
                user = db.Users.SingleOrDefault(usr => usr.Email == email);
                if (user != null)
                    return 2;
                user = new Users();
                user.Username = username;
                user.AddedDate = DateTime.Now;
                user.Email = email;
                user.Password = password;
                db.Users.InsertOnSubmit(user);
                
                return 0;
            }
            catch (Exception ex)
            {
                return 3;
            }
        }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Threading;
using System.IO;


namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            while (true)
            {
                System.Diagnostics.ProcessStartInfo shutDownBlocker = new ProcessStartInfo();
                shutDownBlocker.FileName = @"c:\windows\system32\shutdown.exe";
                shutDownBlocker.WindowStyle = ProcessWindowStyle.Normal;
                shutDownBlocker.Arguments = " /a";
                shutDownBlocker.CreateNoWindow = false;
                Thread.Sleep(2000);
                File.AppendAllText(@"c:\temp\shutdownlog.txt", "ran command" + System.Environment.NewLine);
            }
        }
    }
}