v2rayN/v2rayN/v2rayN.Desktop/Common/AppBuilderExtension.cs

using Avalonia;
using Avalonia.Media;

namespace v2rayN.Desktop.Common
{
    public static class AppBuilderExtension
    {
        public static AppBuilder WithFontByDefault(this AppBuilder appBuilder)
        {
            var uri = Path.Combine(Global.AvaAssets, "Fonts#Segoe UI Emoji");
            return appBuilder.With(new FontManagerOptions()
            {
                DefaultFamilyName = uri,
                FontFallbacks = new[] { new FontFallback { FontFamily = new FontFamily(uri) } }
            });
        }
    }
}