namespace Julgran
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void btnOK_Click(object sender, RoutedEventArgs e)
        {
            for (int i = 0; i < 18; i++)
            {
                for (int n = 0; n < i; n++)
                {
                    txtOutput.Text += ("* ");
                } // end inner for

              txtOutput.Text += ("\n");

            } // end for

        } // end btnOK
    } // end class
} // end namespace