Semi.Avalonia/src/Semi.Avalonia.Demo/Program.cs

using Avalonia;
using System;
using Avalonia.Media;

namespace Semi.Avalonia.Demo
{
    class Program
    {
        // Initialization code. Don't use any Avalonia, third-party APIs or any
        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
        // yet and stuff might break.
        [STAThread]
        public static void Main(string[] args) => BuildAvaloniaApp()
            .With(new FontManagerOptions
            {
                FontFallbacks = new[]
                {
                    new FontFallback
                    {
                        FontFamily = new FontFamily("Microsoft YaHei")
                    }
                }
            })
            .StartWithClassicDesktopLifetime(args);

        // Avalonia configuration, don't remove; also used by visual designer.
        public static AppBuilder BuildAvaloniaApp()
            => AppBuilder.Configure<App>()
                .UsePlatformDetect()
                .With(new Win32PlatformOptions(){ UseCompositor = true})
                .LogToTrace();
    }
}