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VB code:
Dim a
Dim b
a = a + 1
a = a + b
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'a = a + 1 + b



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dim str1 as string , str2 as string
str1 = "**" str2 = "**"
str1 = str1 + str2

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Ö»ÄÜÕâÑù£ºstrOne=strOne +strTwo
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VB code:
Private Sub Command3_Click()
Dim a As String, i As Long
Dim b(10) As String
b(0) = ""
b(1) = "hehe"
b(2) = ""
b(3) = "heihei"
b(4) = "lala"

For i = 0 To 10
a = a & IIf(a = "", IIf(b(i) = "", "", b(i)), IIf(b(i) = "", "", "," & b(i)))
Next
Debug.Print a
End Sub


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    Set Fs_Start_Cmd_tcl = CreateObject("Scripting.FileSystemObject")
    Set F_Start_Cmd_tcl = Fs_Start_Cmd_tcl.OpenTextFile(F3, ForWriting, True, 0)

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c = a & b


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Printer.EndDoc


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VB code:
Printer.ScaleMode = vbMillimeters
Printer.Line (10, 10)-(110, 10)

    Printer.ScaleMode = vbMillimeters
    Print ......

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VB code:

Public Connstr As String
Public objConn As New ADODB.Connection
Public ConnHISstr As String
Public objConnHIS As New A ......
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