private void bnSort_Click(object sender, EventArgs e) { animals.Add(new Animal("Zebra", 3, false)); animals.Add(new Animal("Leeuw", 3, true)); animals.Add(new Animal("Muis", 1, false)); animals.Add(new Animal("Olifant", 5, false)); animals.Add(new Animal("Giraffe", 5, false)); train.SortCarnivore(animals); train.SortAnimals(animals); int Aantal = 1; lbWagon.Items.Add("You need " + train.AmountOfWagons + " wagons."); foreach (Wagon wagon in train.GetWagons()) { lbWagon.Items.Add("Wagon " + Aantal); foreach (Animal animal in wagon.GetAnimals()) { lbWagon.Items.Add(animal.Name + animal.Size); } Aantal++; lbWagon.Items.Add(""); } }