private static IEnumerable<Wait> MainMethod()
{
	OnTab += (s, e) => { Console.WriteLine("Pressed [TAB]"); };
	MouseMode = 3;

	Level.Load("");
	yield return Wait.ForFrames(1);
	EngineVars.SkyColor = Color.DeepSkyBlue;

	var ent = new Entity("cargo.mdl", new Vector(550.0, 0.0, 0.0));

	var snd = new Sound("beep.wav");

	OnSpace += (s, e) => { snd.Play(100, 0); };

	WindowsFormsHost host = new WindowsFormsHost(1024, 768);
	var tb = new TextBox()
	{
		Left = 120,
		Top = 120,
		Width = 80,
		Text = "Change me!"
	};
	host.Controls.Add(tb);

	var btn = new Button()
	{
		Left = 120,
		Top = 80,
		Width = 80,
		Height = 25,
		Text = "Click me!",
	};
	btn.Click += (s, e) => { MessageBox.Show(tb.Text); };

	host.Controls.Add(btn);

	while (!(bool)KeyEsc)
	{
		if (ReferenceEquals(ent, EngineVars.MouseEnt))
		{
			ent.Pan += 1.5 * TimeStep;
		}

		Camera.Pan += (KeyCul - KeyCur) * TimeStep;

		Graphics.DrawQuad(
			host.Target,
			new Vector(0, 0, 0),
			null,
			null,
			null,
			null,
			100,
			0);

		yield return Wait.ForFrames(1);
	}
}