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

bool isOpen ( ) const Test whether ImageFile is still open for accessing. Postcondition: No visible state is modified. Returns: true if ImageFile is in open state. Exceptions: No E57Exceptions. See also: Cancel.cpp example, ImageFile::ImageFile, ImageFile::close