Wino-Mail/Wino.Mail.WinUI/MainWindow.xaml.cs

using Microsoft.UI.Xaml;


namespace Wino
{
    public sealed partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void myButton_Click(object sender, RoutedEventArgs e)
        {
            myButton.Content = "Clicked";
        }
    }
}