Yesterday I made some tool that was need to drop multiple files onto it. GUI_DragFile handle only single file, Edit though accept multiple files, was not suitable for me. Fortunately, with GUIRegisterMsg this become pretty simple. #include <GUIConstants.au3> Global $WM_DROPFILES = 0x233 Global $gaDropFiles[1], $str = "" ### Koda GUI section start ### $hGUI = GUICreate("Test", 400, 200, 219, 178, -1, BitOR($WS_EX_ACCEPTFILES, $WS_EX_TOPMOST)) $hList = GUICtrlCreateList("", 5, 5, 390