@property<EOL><INDENT>def class_name(self):<DEDENT>
if not self._registry_key and self._registry:<EOL><INDENT>self._GetKeyFromRegistry()<EOL><DEDENT>if not self._registry_key:<EOL><INDENT>return None<EOL><DEDENT>return self._registry_key.class_name<EOL>
str: class name of the key or None if not available.