private void ChooseMenuOption(int input) { switch (input) { case 1: var displayOrdersWF = new DisplayOrdersWF(); displayOrdersWF.Execute(); break; case 2: var addOrderWF = new AddOrderWF(); addOrderWF.Execute(); break; case 3: var editOrderWF = new EditOrderWF(); editOrderWF.Execute(); break; case 4: var removeOrderWF = new RemoveOrderWF(); removeOrderWF.Execute(); break; default: Environment.Exit(0); break; } }