using Avalonia; using Avalonia.Controls.ApplicationLifetimes; using Avalonia.Data.Core; using Avalonia.Data.Core.Plugins; using Avalonia.Markup.Xaml; using Ursa.Demo.ViewModels; using Ursa.Demo.Views; namespace Ursa.Demo; public partial class App : Application { public override void Initialize() { AvaloniaXamlLoader.Load(this); } public override void OnFrameworkInitializationCompleted() { if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop) { // Line below is needed to remove Avalonia data validation. // Without this line you will get duplicate validations from both Avalonia and CT desktop.MainWindow = new MainWindow { DataContext = new MainWindowViewModel(), }; } base.OnFrameworkInitializationCompleted(); } }