#region CsGL - Plot Here
        public void PlotGL()
        {
            try
            {
                lock (matrixLock)
                {
                    ThisRot.get_Renamed(matrix);
                }
                GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); // Clear screen and DepthBuffer
                GL.glLoadIdentity();
                GL.glPushMatrix();                  // NEW: Prepare Dynamic Transform
                GL.glMultMatrixf(matrix);           // NEW: Apply Dynamic Transform

                GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE);

                #region plot something
                GL.glColor3f(0.8f, 0.3f, 0.1f);
                this.torus(0.3f, 0.5f);
                #endregion plot something

                GL.glPopMatrix(); // NEW: Unapply Dynamic Transform
                GL.glFlush();     // Flush the GL Rendering Pipeline

                this.Invalidate();
            }
            catch
            {
                return;
            }

        }