bfr/BFR/MainWindow.xaml.cs

using Avalonia.Controls;
using Avalonia.Markup.Xaml;

namespace BFR
{
    public class MainWindow : Window
    {
        public MainWindow() =>
            InitializeComponent();

        private void InitializeComponent()
        {
            AvaloniaXamlLoader.Load(this);
            DataContext = this;
        }
    }
}