using Avalonia; using Avalonia.Controls.ApplicationLifetimes; using Avalonia.Markup.Xaml; namespace fis.Upgrader { public partial class App : Application { public override void Initialize() { AvaloniaXamlLoader.Load(this); } public override void OnFrameworkInitializationCompleted() { if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop) { desktop.MainWindow = new MainWindow(); } base.OnFrameworkInitializationCompleted(); } } }