protected override void OnPaint(PaintEventArgs e)
{
_layoutManager.Render(e.Graphics);
//Size size1 = new Size(100, 100);
//Size size2 = new Size(50, 50);
//e.Graphics.DrawRectangle(Pens.Black, new Rectangle(new Point(10, 10), size1));
//size1 = Size.Add(size1, size2);
//e.Graphics.DrawRectangle(Pens.Red, new Rectangle(new Point(10, 10), size1));
}
