code: def ScanForWindowsVolume(self, source_path):
      
      windows_path_specs = self.GetBasePathSpecs(source_path)
      if (not windows_path_specs or
          self._source_type == definitions.SOURCE_TYPE_FILE):
        return False
  
      file_system_path_spec = windows_path_specs[0]
      self._file_system = resolver.Resolver.OpenFileSystem(file_system_path_spec)
  
      if file_system_path_spec.type_indicator == definitions.TYPE_INDICATOR_OS:
        mount_point = file_system_path_spec
      else:
        mount_point = file_system_path_spec.parent
  
      self._path_resolver = windows_path_resolver.WindowsPathResolver(
          self._file_system, mount_point)
  
      # The source is a directory or single volume storage media image.
      if not self._windows_directory:
        self._ScanFileSystemForWindowsDirectory(self._path_resolver)
  
      if not self._windows_directory:
        return False
  
      self._path_resolver.SetEnvironmentVariable(
          'SystemRoot', self._windows_directory)
      self._path_resolver.SetEnvironmentVariable(
          'WinDir', self._windows_directory)
  
      return True
docs: Scans for a Windows volume.
  
      Args:
        source_path (str): source path.
  
      Returns:
        bool: True if a Windows volume was found.
  
      Raises:
        ScannerError: if the source path does not exists, or if the source path
            is not a file or directory, or if the format of or within the source
            file is not supported.