C# Constants:

namespace Microsoft.Win32.StructuredStorage{
   [Flags]
   public enum PROPSETFLAGS : uint
   {
     DEFAULT = 0,
     NONSIMPLE = 1,
     ANSI = 2,
     UNBUFFERED = 4,
     CASE_SENSITIVE = 8
   }
}

VB Constants:

Namespace Microsoft.Win32.StructuredStorage
   <Flags> _
   Public Enum PROPSETFLAGS As UInteger
     DEFAULT = 0
     NONSIMPLE = 1
     ANSI = 2
     UNBUFFERED = 4
     CASE_SENSITIVE = 8
   End Enum
End Namespace

Notes:

None.