spectre.console/examples/Console/Emojis/Program.cs

namespace Spectre.Console.Examples
{
    public static class Program
    {
        public static void Main(string[] args)
        {
            // Show a known emoji
            RenderEmoji();

            // Show a remapped emoji
            Emoji.Remap("globe_showing_europe_africa", Emoji.Known.GrinningFaceWithSmilingEyes);
            RenderEmoji();
        }

        private static void RenderEmoji()
        {
            AnsiConsole.Write(
                new Panel("[yellow]Hello :globe_showing_europe_africa:![/]")
                    .RoundedBorder());
        }
    }
}