cancel checkInvariant close dump elementNameParse extensionsAdd extensionsCount extensionsLookupPrefix extensionsLookupUri extensionsPrefix extensionsUri fileName ImageFile isElementNameExtended isOpen isWritable operator!= operator== readerCount root writerCount

StructureNode root ( ) const Get the pre-established root StructureNode of the E57 ImageFile. The root node of an ImageFile always exists and is always type StructureNode. The root node is empty in a newly created write mode ImageFile. Precondition: This ImageFile must be open (i.e. isOpen()). Returns: A smart StructureNode handle referencing the underlying object. Exceptions: E57_ERROR_IMAGEFILE_NOT_OPEN E57_ERROR_INTERNAL All objects in undocumented state See also: HelloWorld.cpp example, StructureNode.