@property<EOL><INDENT>def offset(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.offset<EOL>
int: offset of the key within the Windows Registry file or None.