public enum TwainBarCodeType {
  TWBT_3OF9 = 0,
  TWBT_2OF5INTERLEAVED = 1,
  TWBT_2OF5NONINTERLEAVED = 2,
  TWBT_CODE93 = 3,
  TWBT_CODE128 = 4,
  TWBT_UCC128 = 5,
  TWBT_CODABAR = 6,
  TWBT_UPCA = 7,
  TWBT_UPCE = 8,
  TWBT_EAN8 = 9,
  TWBT_EAN13 = 10,
  TWBT_POSTNET = 11,
  TWBT_PDF417 = 12,
  TWBT_2OF5INDUSTRIAL = 13,
  TWBT_2OF5MATRIX = 14,
  TWBT_2OF5DATALOGIC = 15,
  TWBT_2OF5IATA = 16,
  TWBT_3OF9FULLASCII = 17,
  TWBT_CODABARWITHSTARTSTOP = 18,
  TWBT_MAXICODE = 19
}

Public Enum TwainBarCodeType
  TWBT_3OF9 = 0
  TWBT_2OF5INTERLEAVED = 1
  TWBT_2OF5NONINTERLEAVED = 2
  TWBT_CODE93 = 3
  TWBT_CODE128 = 4
  TWBT_UCC128 = 5
  TWBT_CODABAR = 6
  TWBT_UPCA = 7
  TWBT_UPCE = 8
  TWBT_EAN8 = 9
  TWBT_EAN13 = 10
  TWBT_POSTNET = 11
  TWBT_PDF417 = 12
  TWBT_2OF5INDUSTRIAL = 13
  TWBT_2OF5MATRIX = 14
  TWBT_2OF5DATALOGIC = 15
  TWBT_2OF5IATA = 16
  TWBT_3OF9FULLASCII = 17
  TWBT_CODABARWITHSTARTSTOP = 18
  TWBT_MAXICODE = 19
End Enum