To test I first opened Control Panel > Power Options > Power Meter #Include <SendMessage.au3> #include <ProgressConstants.au3> $handle = ControlGetHandle ("Power Options Properties", "", "[CLASS:msctls_progress32; INSTANCE:1]") ConsoleWrite("Progress bar handle: " & $handle & @CRLF) $msg = _SendMessage($handle,$PBM_GETPOS,0,0) ConsoleWrite("Position: " & $msg & "%" & @CRLF)