        <td></td>
          <td class="paramtype">double?&#160;</td>
          <td class="paramname"><em>height</em> = <code>null</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="struct_vect_sharp_1_1_colour.html">Colour</a>?&#160;</td>
          <td class="paramname"><em>background</em> = <code>null</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <