enum System.Globalization.CompareOptions flags:

   def enum
      None = 0
      IgnoreCase = 1
      IgnoreNonSpace = 2
      IgnoreSymbols = 4
      IgnoreKanaType = 8
      IgnoreWidth = 16
      OrdinalIgnoreCase = 268435456
      StringSort = 536870912
      Ordinal = 1073741824.

end enum.
