public void Check()
        {
            FramebufferErrorCode FEC;

            if ((FEC = GLf.CheckFramebufferStatus(FramebufferTarget.Framebuffer)) != FramebufferErrorCode.FramebufferComplete)
            {
                throw new Exception(FEC.ToString());
            }

            ErrorCode EC;

            if ((EC = GL.GetError()) != ErrorCode.NoError)
            {
                throw new Exception(EC.ToString());
            }
        }