// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
-#ifndef _OpenGl_GlCore12_Header
-#define _OpenGl_GlCore12_Header
+#ifndef OpenGl_GlCore12_HeaderFile
+#define OpenGl_GlCore12_HeaderFile
#include <OpenGl_GlCore11.hxx>