private void SayName_Button_Click(object sender, RoutedEventArgs e)
        {
            // Define a new List of dogs
            List <Dog> dogs = new List <Dog>();

            // Instantiate some dog objects
            Dog dog1 = new Dog("Muppet", 20, "Rolf");
            Dog dog2 = new Dog("Golden Retriever", 30, "Air Bud");

            // Add the dogs to the list
            dogs.Add(dog1);
            dogs.Add(dog2);

            // Loop through the list and call a method on the objects
            foreach (Dog d in dogs)
            {
                d.SayName();
            }

            Duck duck1 = new InheritanceIntro.Duck(9, "Kyle");

            duck1.SayName();

            Frog frog1 = new InheritanceIntro.Frog(3, "Timmy");

            frog1.SayName();

            Lion lion1 = new InheritanceIntro.Lion(26, "bob");

            lion1.SayName();
        }
        private void Roar_Button_Click(object sender, RoutedEventArgs e)
        {
            Lion lion1 = new InheritanceIntro.Lion(26, "bob");

            lion1.Roar();
        }