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Visual Basic Programming Code Examples

Visual Basic > Files Directories Drives Code Examples

Getting the Long Filename

Getting the Long Filename

Public Function GetLongFilename(ByVal sShortName As String) As String
    'Dimension Some Variables.
     Dim sLongName As String
     Dim sTemp As String
     Dim iSlashPos As Integer

     'Add \ to short name to prevent Instr from failing
     sShortName = sShortName & "\"
     
     'Start from 4 to ignore the "[Drive Letter]:\" characters
     iSlashPos = InStr(4, sShortName, "\")

     'Pull out each string between \ character for conversion
     While iSlashPos
       sTemp = Dir(Left$(sShortName, iSlashPos - 1), _
         vbNormal + vbHidden + vbSystem + vbDirectory)
       If sTemp = "" Then
         'Error 52 - Bad File Name or Number
         GetLongFilename = ""
         Exit Function
       End If
       sLongName = sLongName & "\" & sTemp
       iSlashPos = InStr(iSlashPos + 1, sShortName, "\")
     Wend

     'Prefix with the drive letter
     GetLongFilename = Left$(sShortName, 2) & sLongName

End Function

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