BarCode 算法 VB类库 1

 Option Explicit
' VB / VBA Functions for Code128(A, B,C), UCC/EAN 128
' Copyright 2004 by MW6 Technologies Inc. All rights reserved.
'
' This code may not be modified or distributed unless you purchase
' the license from MW6.
Public UFPrefixFunctions As Boolean
Private I As Integer
Private StrLen As Integer
Private Sum As Integer
Private CurrSet As Integer
Private CurrChar As Integer
Private NextChar As Integer
Private Message As String
Private Weight  As Integer
Public Function Code128Auto(ByVal Src As String) As String
    StrLen = Len(Src)
    Sum = 104
   
    ' 2 indicates Set B
    CurrSet = 2
   
    ' start character with value 202 for Set B
    Message = "" & Chr(202)
   
    CurrChar = Asc(Mid(Src, 1, 1))
    If (CurrChar <= 31 And CurrChar >= 0) Then
        ' switch to Set A
        ' 1 indicates Set A
        CurrSet = 1
       
        ' start character with value 201 for Set A
        Message = "" & Chr(201)
        Sum = 103
    End If
   
    Weight = 1
    Call GeneralEncode(Src)
   
    Code128Auto = Message
End Function
Public Function UCCEAN128(ByVal Src As String) As String
    StrLen = Len(Src)
    Sum = 105
   
    ' 3 indicates Set C
    CurrSet = 3
   
    ' start character (203) + FNC1 (200)
    Message = Chr(203) & Chr(200)
    Su