context.MakeCurrent issues

            OpenTK.Graphics.IGraphicsContext context;
 
            using (var win = new OpenTK.NativeWindow())
            {
                context = new OpenTK.Graphics.GraphicsContext(OpenTK.Graphics.GraphicsMode.Default, win.WindowInfo);
                context.MakeCurrent(win.WindowInfo);
                context.LoadAll();
                context.MakeCurrent(null);
            }
 
            using (var win = new OpenTK.NativeWindow())
            {
                context.MakeCurrent(win.WindowInfo);
                context.MakeCurrent(null);
            }