parameters: (self, dc)
docstring: Overridable method to draw the GTK-style expander.
  
          :param `dc`: an instance of :class:`DC`.
docstring_summary: Overridable method to draw the GTK-style expander.
docstring_tokens: Overridable method to draw the GTK - style expander .
function: def OnDrawGTKExpander(self, dc):
          """
          Overridable method to draw the GTK-style expander.
  
          :param `dc`: an instance of :class:`DC`.
          """
  
          self._pButton.OnDrawGTKExpander(dc)
function_tokens: def OnDrawGTKExpander ( self , dc ) : self . _pButton . OnDrawGTKExpander ( dc )