/code> method of its subclasses</li>
<li>SHPComputeExtents():
  there is no need to call it, since the current version of
  ruby-shapelib does not allow users to change geometry of a shape
  once it is created.</li>
<li>SHPWriteObject():
  <a href="#label-27">shapefile.write</a></li>
<li>SHPDestroyObject():
  called automatically while the ruby interpreter does garbage collection.</li>
<li>SHPRewindObject():
  <a href="#label-41">shape.rewind_polygon</a></li>
<li>DBFOpen():
  called in <a href="#label-7">Sh