private void Timer_Elapsed(object sender, ElapsedEventArgs e)
        {
            var noStopsatAnyFLoor = FloorsStopMap.All(floorstopKeyValue => floorstopKeyValue.Value == false);

            if (noStopsatAnyFLoor == true)
            {
                Stop();
            }
            else
            {
                if (ElevatorDirection == Direction.Up)
                {
                    if (CurrentFloorNo == Utility.TopFloorID)
                    {
                        Stop();
                    }
                    else
                    {
                        MoveUp();
                    }
                }
                else if (ElevatorDirection == Direction.Down)
                {
                    if (CurrentFloorNo == Utility.BottomFloorID)
                    {
                        Stop();
                    }
                    else
                    {
                        MoveDown();
                    }
                }
            }
        }
        public void Stop()
        {
            var noStopsatAnyFLoor = FloorsStopMap.All(floorstopKeyValue => floorstopKeyValue.Value == false);

            if (noStopsatAnyFLoor == true)
            {
                Console.WriteLine("The Elevator {0} is stopped at the floor  {1}", ElevatorID, CurrentFloorNo);
                ElevatorDirection = Direction.NoDirection;
                Timer.Enabled     = false;
                Timer.Stop();
            }
        }