25#ifndef  _PO_NUMERIC_DISPLAY_FORMAT_ELEMENT_ 
   26#define  _PO_NUMERIC_DISPLAY_FORMAT_ELEMENT_ 
   28#include <Inventor/elements/SoReplacedElement.h> 
   49  static void initClass();
 
   50    static void exitClass() ;
 
   57  virtual void init(
SoState *state);
 
 
Abstract base class for all database nodes.
Abstract base class for each state element whose value is replaced whenever it is set.