Attribute VB_Name = "basFile"
Option Explicit


Public Declare Function CopyFile& Lib "kernel32" Alias "CopyFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String, ByVal bFailIfExists As Long)
Public Declare Function GetOpenFileName Lib "comdlg32.dll" Alias "GetOpenFileNameA" (ofn As OPENFILENAME) As Boolean
Public Declare Function GetSaveFileName Lib "comdlg32.dll" Alias "GetSaveFileNameA" (ofn As OPENFILENAME) As Boolean

Private Type OPENFILENAME
    lStructSize As Long
    hwndOwner As Long
    hInstance As Long
    stFilter As String
    stCustomFilter As String
    nMaxCustFilter As Long
    nFilterIndex As Long
    strFile As String
    nMaxFile As Long
    stFileTitle As String
    nMaxFileTitle As Long
    stInitialDir As String
    strTitle As String
    flags As Long
    nFileOffset As Integer
    nFileExtension As Integer
    stDefExt As String
    lCustData As Long
    lpfnHook As Long
    lpTemplateName As String
End Type

Public Enum OFN_FLAGS
    OFN_READONLY = &H1
    OFN_OVERWRITEPROMPT = &H2
    OFN_HIDEREADONLY = &H4
    OFN_NOCHANGEDIR = &H8
    OFN_SHOWHELP = &H10
    OFN_ENABLEHOOK = &H20
    OFN_ENABLETEMPLATE = &H40
    OFN_ENABLETEMPLATEHANDLE = &H80
    OFN_NOVALIDATE = &H100
    OFN_ALLOWMULTISELECT = &H200
    OFN_EXTENSIONDIFFERENT = &H400
    OFN_PATHMUSTEXIST = &H800
    OFN_FILEMUSTEXIST = &H1000
    OFN_CREATEPROMPT = &H2000
    OFN_SHAREAWARE = &H4000
    OFN_NOREADONLYRETURN = &H8000
    OFN_NOTESTFILECREATE = &H10000
    OFN_NONETWORKBUTTON = &H20000
    OFN_NOLONGNAMES = &H40000
    OFN_EXPLORER = &H80000
    OFN_NODEREFERENCELINKS = &H100000
    OFN_LONGNAMES = &H200000
End Enum


Public Function FileOpenSave(Optional ByRef flags As Long = 0&, Optional ByVal InitialDir As Variant, Optional ByVal Filter As String = vbNullString, Optional ByVal FilterIndex As Long = 1, Optional ByVal DefaultExt As String = vbNullString, Optional ByVal FileName As String = vbNullString, Optional ByVal DialogTitle As String = vbNullString, Optional ByVal hwnd As Long = -1, Optional ByVal OpenFile As Boolean = True) As String
Dim ofn As OPENFILENAME
Dim stFileName As String
Dim stFileTitle As String
Dim fResult As Boolean

    ' Give the dialog a caption title.
    If IsMissing(InitialDir) Then InitialDir = CurDir
    If (hwnd = -1) Then hwnd = 0


    ' Allocate string space for the returned strings.
    stFileName = Left$(FileName & String$(256, vbNullChar), 256)
    stFileTitle = String$(256, vbNullChar)

    With ofn
        .lStructSize = Len(ofn)
        .hwndOwner = hwnd
        .stFilter = Filter
        .nFilterIndex = FilterIndex
        .strFile = stFileName
        .nMaxFile = Len(stFileName)
        .stFileTitle = stFileTitle
        .nMaxFileTitle = Len(stFileTitle)
        .strTitle = DialogTitle
        .flags = flags
        .stDefExt = DefaultExt
        .stInitialDir = InitialDir
        .hInstance = 0
        .stCustomFilter = String$(255, vbNullChar)
        .nMaxCustFilter = 255
        .lpfnHook = 0
    End With

    If OpenFile Then
        fResult = GetOpenFileName(ofn)
    Else
        fResult = GetSaveFileName(ofn)
    End If

    If fResult Then
        flags = ofn.flags
        FileOpenSave = Left$(ofn.strFile, InStr(1, ofn.strFile, vbNullChar, vbBinaryCompare) - 1)
    End If
End Function


Public Function adhFileExists(sFN) As Boolean
Dim s As String

    On Error Resume Next
    s = Dir(sFN, vbHidden Or vbSystem Or vbArchive Or vbReadOnly)
    adhFileExists = ((Len(s) > 0) And (Err.Number = 0))
    Err.Clear
End Function

        sFilter = "Batch file (*.vba)" & Chr$(0) & "*.vba" & Chr$(0) & "All Files (*.*)" & Chr$(0) & "*.*" & Chr$(0)
        sBatchFileName = FileOpenSave(OFN_OVERWRITEPROMPT, CurDir$, sFilter, , ".vba", , "Select Batch file", -1, True)
        If sBatchFileName = "" Then Exit Function