enum System.Runtime.InteropServices.ComTypes.TYMED flags:

   def enum
      TYMED_NULL = 0
      TYMED_HGLOBAL = 1
      TYMED_FILE = 2
      TYMED_ISTREAM = 4
      TYMED_ISTORAGE = 8
      TYMED_GDI = 16
      TYMED_MFPICT = 32
      TYMED_ENHMF = 64.

end enum.
