private void Draw(PaintEventArgs e)
{
_fractal.SurfaceSize = pictureBox1.Size;
_fractal.Depth = depth.Value;
e.Graphics.DrawImage(_fractal.Draw(), new Point(0, 0));
}
// Render graphics
protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Texture2D);
//spritebatch.Begin<TextureProgram>();
//quadHandler.Draw(spritebatch);
//spritebatch.End();
sierpinskiCarpet.Draw(spritebatch);
//grid.Draw(spritebatch);
SwapBuffers();
}