def _OpenFile(self, path):
if not self._registry_file_reader:<EOL><INDENT>return None<EOL><DEDENT>return self._registry_file_reader.Open(<EOL>path, ascii_codepage=self._ascii_codepage)<EOL>
Opens a Windows Registry file.

        Args:
          path (str): path of the Windows Registry file.

        Returns:
          WinRegistryFile: Windows Registry file or None if not available.