class UserRemove : Users
    {
        //public int ID_User { get; private set; }
        //public string name { get; private set; }

        public int _ID_Usun { get; private set; }
        public string _name_usun { get; private set; }

        string[] lines_matrix;
        string lines;

        public void RemoveUser(int _ID_Usun)
        {
            ID_User = _ID_Usun;
            name = _name_usun;

            Console.WriteLine("\n  Usuń użytkownika z bazy. \n Podaj ID:");
            this._ID_Usun = Convert.ToInt32(Console.ReadLine());
            //Convert.ToString(this._ID_Usun);

            //Console.WriteLine(" Podaj imię i nazwisko");
            //this._name_usun = Console.ReadLine();

            //using (StreamReader sr_users = new StreamReader("Users.txt"))


            //if (String.Equals(Convert.ToString(this._ID_Usun), sr_users.ReadToEnd().Contains(Convert.ToString(this._ID_Usun))))

            lines_matrix = File.ReadAllLines("Users.txt");
            //
            //using (FileStream fs = File.OpenRead("Users.txt"))
            using (System.IO.StreamWriter file = new System.IO.StreamWriter("Users.txt"))
            {
                //BinaryReader bin_reader = new BinaryReader(fs);


                Dictionary<int, string> UsersList = GetUsersList();
                string s_ID_Usun = Convert.ToString(this._ID_Usun);
                lines = lines.Replace(s_ID_Usun, "0");

                file.WriteLine(lines);
                UsersList.Remove(this._ID_Usun);
                //lines_matrix = File.ReadAllLines("Users.txt");

                //foreach (var entry in UsersList)
                //file.WriteLine("[{0} {1}]", entry.Key, entry.Value);
                //using (System.IO.StreamWriter file = new System.IO.StreamWriter("Users.txt"))
                Console.WriteLine("Użytkownik" + "\t" + Convert.ToString(this._ID_Usun) + "\t został usunięty z bazy.");
            }



        }
    }