'اخي حط هذا الكود في راس الوحدة النمطية

Private Declare Function GetOpenFileName Lib "comdlg32.dll" Alias _
"GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long

Private Type OPENFILENAME
    lStructSize As Long
    hwndOwner As Long
    hInstance As Long
    lpstrFilter As String
    lpstrCustomFilter As String
    nMaxCustFilter As Long
    nFilterIndex As Long
    lpstrFile As String
    nMaxFile As Long
    lpstrFileTitle As String
    nMaxFileTitle As Long
    lpstrInitialDir As String
    lpstrTitle As String
    flags As Long
    nFileOffset As Integer
    nFileExtension As Integer
    lpstrDefExt As String
    lCustData As Long
    lpfnHook As Long
    lpTemplateName As String
End Type


' وغير ال GetFileName with this


Public Function GetFileName(Optional DefaulDir As String, Optional hWndParent As Long = 0) As String
    Dim OFile As OPENFILENAME
    OFile.lStructSize = Len(OFile)
    OFile.hwndOwner = IIf(hWndParent = 0, Access.hWndAccessApp, hWndParent)
    OFile.lpstrFilter = "Text Files(*.txt) " & Chr(0) & "*.txt" & Chr(0) & _
                           "All Files (*.*)" & Chr(0) & "*.*"
    OFile.lpstrFile = String(257, 0)
    OFile.nMaxFile = Len(OFile.lpstrFile) - 1
    OFile.lpstrInitialDir = DefaulDir
    OFile.lpstrTitle = "Select Text file to insert it into the table"
    If GetOpenFileName(OFile) = 0 Then
       GetFileName = ""
    Else
       GetFileName = Trim(OFile.lpstrFile)
    End If
End Function