private void InitGL()
        {
            GraphicsMode mode = new GraphicsMode(32, 24, 8, 8);

            display              = new GLControl(mode, 3, 3, GraphicsContextFlags.Default);
            display.Dock         = DockStyle.Fill;
            display.SizeChanged += Display_SizeChanged;
            display.Paint       += Display_Paint;

            display.MakeCurrent();

            renderer.Initialize();

            panelDisplayArea.Controls.Add(display);
        }