VideoCallServer.User.GetIP C# (CSharp) Méthode

        public string GetIP()
        {
            return _iepCmd.ToString();
        }

        public String GetUsrLst(String sIP)
        {
            try
            {
                int i; String sRet = "";

                for (i = 0; i < _listUsr.Count; i++)
                {
                    User usr = (User)_listUsr[i];
                    if (usr.GetIP() != sIP)
                    {
                        sRet += usr.GetUser() + "|";
                    }
                }
                return(sRet);
            }
            catch (Exception)
            {
            }
            return("");
        }