Cairo.Context.Save C# (CSharp) Method

        public void Save()
        {
            CheckDisposed ();
            NativeMethods.cairo_save (handle);
        }

 private void dibujar_grilla(DrawingArea area, Cairo.Context cr)
 {
     for (int x = 0; x < Constantes.nro_casillas; x++)
     {
         int x0 = Logica.grilla.get_casillero(x, 0).inicioX;
         cr.Save();
         cr.LineWidth = 0.5;
         cr.SetSourceRGBA(0, 0, 0, 0.5);
         cr.MoveTo(x0, 0);
         cr.LineTo(x0, Constantes.limites.Height);
         cr.Stroke();
         cr.Restore();
     }
     for (int y = 0; y < Constantes.nro_casillas; y++)
     {
         int y0 = Logica.grilla.get_casillero(0, y).inicioY;
         cr.Save();
         cr.LineWidth = 0.5;
         cr.SetSourceRGBA(0, 0, 0, 0.5);
         cr.MoveTo(0, y0);
         cr.LineTo(Constantes.limites.Width, y0);
         cr.Stroke();
         cr.Restore();
     }
 }