Loading Screen for Eto

LoadingScreenForEto.cs

using System;
using Eto.Forms;
using Eto.Drawing;
using System.Threading.Tasks;
using System.Threading;

namespace EtoLoadingScreen.Desktop
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            Title = "My Eto Form";
            ClientSize = new Size(400, 350);

            Content = new StackLayout
            {
                Padding = 10,
                Items =
                {
                    "Hello World!",
					// add more controls here
				}
            };
        }
    }

    class LoadingForm : Form
    {
        public LoadingForm()
        {
            WindowStyle = WindowStyle.None;
            Resizable = false;
            Minimizable = false;
            Maximizable = false;
            Topmost = true;
            ClientSize = new Size(300, 150);
            Location = (Point)Screen.PrimaryScreen.Bounds.Center - ClientSize / 2;

            Content = new TableLayout
            {
                Rows =
                {
                    null,
                    new TableRow(null, new Spinner { Enabled = true, Size = new Size(24, 24) }, "Loading...", null),
                    null
                }
            };
        }
    }

    class Program
    {
        [STAThread]
        static void Main(string[] args)
        {
            var app = new Application(Eto.Platform.Detect);
            app.Initialized += async (sender, e) =>
            {
                var loadingForm = new LoadingForm();
                loadingForm.Show();

                await Task.Run(() =>
                {
                    Thread.Sleep(5000);
                });

                var form = new MainForm();
                form.Closed += (sender_, e_) => app.Quit();
                form.Show();

                loadingForm.Close();
            };

            app.Run();
        }
    }
}