Func _ShowSubFolders($Folder, $Ext='*', $Dir=-1, $Delim=@CRLF)
    If Not IsDeclared("strFiles") Then Global $strFiles = ''
    If ($Dir = -1) Or ($Dir = 0) Then
        For $file In $Folder.Files
            If $Ext <> '*' Then
                ; == nur $Ext
;~                 If StringRight($file.Name, StringLen($Ext)) = $Ext Then _
;~                     $strFiles &= $file.Path & $Delim
                ; == alles ausser $Ext
                If StringRight($file.Name, StringLen($Ext)) <> $Ext Then _
                    $strFiles &= $file.Path & $Delim
            Else
                $strFiles &= $file.Path & $Delim
            EndIf
        Next
    EndIf
    For $Subfolder In $Folder.SubFolders
        If ($Dir = -1) Or ($Dir = 1) Then $strFiles &= $Subfolder.Path & '\' & $Delim
        _ShowSubFolders($Subfolder, $Ext, $Dir, $Delim)
    Next
EndFunc