public void Point()
		{
			var position = new Point3D(200, 300, -100);
			Light l = new LightSettings
			          {
			          	ColorString = "White",
			          	Type = LightSettings.MyLightType.Point,
			          	Position = position,
			          }.ToDirectXLight();
			Assert.AreEqual(position.ToDirectXVector(), l.Position);
			ValidateWithDevice(l);
		}