ApplicationBar.MainPage.button1_Clicked C# (CSharp) Méthode

        private void button1_Clicked(object sender, EventArgs e)
        {
            if (button1.Text == "alpha")
            {
                button1.Text = "omega";
                button1.IconUri = new Uri("/Assets/AppBar/omega.png", UriKind.Relative);
            }
            else
            {
                button1.Text = "alpha";
                button1.IconUri = new Uri("/Assets/AppBar/alpha.png", UriKind.Relative);
            }
        }