Avalonia/tests/TestFiles/BuildTasks/PInvoke/App.axaml.cs

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

namespace PInvoke;

public class App : Application
{
    public override void Initialize()
    {
        AvaloniaXamlLoader.Load(this);
    }

    public override void OnFrameworkInitializationCompleted()
    {
        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktopLifetime)
        {
            desktopLifetime.MainWindow = new MainWindow();
        }
    }
}