using Avalonia; using Avalonia.Controls.ApplicationLifetimes; using Avalonia.Themes.Fluent; namespace ExcelMatcher; public class App : Application { public override void Initialize() { Styles.Add(new FluentTheme()); } public override void OnFrameworkInitializationCompleted() { if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop) { desktop.MainWindow = new MainWindow(); } base.OnFrameworkInitializationCompleted(); } }