enum System.Net.HttpRequestHeader:

   def enum
      CacheControl = 0
      Connection = 1
      Date = 2
      KeepAlive = 3
      Pragma = 4
      Trailer = 5
      TransferEncoding = 6
      Upgrade = 7
      Via = 8
      Warning = 9
      Allow = 10
      ContentLength = 11
      ContentType = 12
      ContentEncoding = 13
      ContentLanguage = 14
      ContentLocation = 15
      ContentMd5 = 16
      ContentRange = 17
      Expires = 18
      LastModified = 19
      Accept = 20
      AcceptCharset = 21
      AcceptEncoding = 22
      AcceptLanguage = 23
      Authorization = 24
      Cookie = 25
      Expect = 26
      From = 27
      Host = 28
      IfMatch = 29
      IfModifiedSince = 30
      IfNoneMatch = 31
      IfRange = 32
      IfUnmodifiedSince = 33
      MaxForwards = 34
      ProxyAuthorization = 35
      Referer = 36
      Range = 37
      Te = 38
      Translate = 39
      UserAgent = 40.

end enum.
