using Avalonia; using Avalonia.Controls; using Avalonia.Interactivity; using Avalonia.Markup.Xaml; namespace AppWithoutLifetime; public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void InitializeComponent() { AvaloniaXamlLoader.Load(this); } protected override void OnLoaded() { this.AttachDevTools(); base.OnLoaded(); } public void Open(object sender, RoutedEventArgs e) { new Sub().Show(this); } }