Declare Function GetTempFileName Lib "kernel32" Alias "GetTempFileNameA" (Byval
lpszPath As String, Byval lpPrefixString As String, Byval wUnique As Long,
Byval TempFileName As String) As Long
Declare Function GetTempPath Lib "kernel32" Alias "GetTempPathA" (Byval
nBufferLength As Long, Byval lpBuffer As String) As Long
Declare Function GetSystemDirectory Lib "Kernel32" Alias "GetSystemDirectoryA"
(Byval lpBuffer As String, Byval nSize As Long) As Long

' C L A S S "TmpFile"
Class TmpFile

Declare Public Function GetSysDir()As String
Declare Public Function TempPath() As String
Declare Public Function IsDriveAvailable(drivNam$) As Variant
Declare Private Function DeleteExtraChars(sSource As String, eChar As String)
As String

Public Function CreateTempFileName(inDir As String) As Variant


tName$ = Space$(255)
Prefix$ = "TMP"

inDir = DeleteExtraChars(inDir, "\")

If inDir = "" Then
TMP$ = TempPath()
' inDir must be terminated by an "\"
If Right$(inDir,1) <> "\" Then
inDir = inDir & "\"
End If
' Check if Path exists, else create Path
End If
TMP$ = inDir
r& = GetTempFileName(TMP$, Prefix$, 0&, tName$)
CreateTempFileName = Left$(tName$, Instr(tName$, Chr$(0)) -1)
Exit Function
CreateTempFileName = "99"
Exit Function
End Function

Public Function TempPath () As String
' Get System Temp Dir
Dim Buffer As String
Buffer = Space$(255)
r& = GetTempPath(Len(Buffer),Buffer)
TempPath = Left$(Buffer, Instr(Buffer, Chr$(0)))

End Function

Public Function GetSysDir()As String
Temp$ = Space(255)
vlen& = GetSystemDirectory(Temp$, Len(Temp$))
Temp$ = Left$(Temp$, vlen&)
GetSysDir = Temp$
End Function

Private Function DeleteExtraChars(sSource As String, eChar As String) As

Dim sResult As String
sResult = ""

For i% = 1 To Len(sSource)
If Mid$(sSource,i%,1) = eChar Then
If flag& = 0 Then
sResult = sResult & Mid$(sSource,i%,1)
flag& = 1
End If
sResult = sResult & Mid$(sSource,i%,1)
flag& = 0
DeleteExtraChars = sResult
End If

End Function

End Class

This was first published in November 2000

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