MainWindow.cs

using System;
using Eto;
using Eto.Forms;
using Eto.Drawing;

namespace SharpSHPBuilder
{
	public class MainWindow : Form
	{
		public MainWindow()
		{
			Title = "EtoForm";
			Size = new Size(200, 200);
		}

		[STAThread]
		static void Main()
		{
			var generator = Generator.GetGenerator(Generators.GtkAssembly);

			var app = new Application(generator);
			app.Initialized += delegate
			{
				app.MainForm = new MainWindow();
				app.MainForm.Show();
			};
			app.Run();
		}
	}
}