Hello, i tried to script a gui which shows me files of a previous chosen folder. I need a function to select all files in the list box. I also need a function to select just some files. At the moment this script isn´t working at all. I need some help to finish it. Thanks! Hacky #include <GUIListBox.au3> Dim $dateien[100] #include <File.au3> #include <Array.au3> $ordner=FileSelectFolder("Choose folder", "") $dateien=_FileListToArray ( $ordner ,"*",1) Opt('MustD