24#ifndef _SO_BACKGROUND_H_
25#define _SO_BACKGROUND_H_
27#include <Inventor/SbPImpl.h>
28#include <Inventor/nodes/SoNode.h>
64 static
void initClass();
65 static
void exitClass();
69 virtual
SbBool affectsState() const;
80 void commonConstructor();
Abstract base class for background nodes.
Abstract base class for all database nodes.