public void GeneranorBike() { for (int i = 0; i < 5; i++) { Bike bike = new Bike(); bike.Marks = (Vehicle)rand.Next(0, 4); bike.Number = Convert.ToString(rand.Next(1000, 9999)); bike.Speed = rand.Next(60, 250); bike.CarryCap = bike.CarryingCapacity(); transport.Add(bike); } }