#include <GUIConstants.au3> GUICreate("My GUI Progressbar",220,100, 100,200) $progressbar1 = GUICtrlCreateProgress (10,10,200,20) GUICtrlSetColor(-1,32250); not working with Windows XP Style $progressbar2 = GUICtrlCreateProgress (10,40,200,20,$PBS_SMOOTH) $button = GUICtrlCreateButton ("Start",75,70,70,20) GUISetState () $wait = 20; wait 20ms for next progressstep $s = 0; progressbar-saveposition do $msg = GUIGetMsg() If $msg = $button Then GUICtrlSetData ($button,"Stop") For $i = $s To 100 If GUICtrlRead($progressbar1) = 50 Then Msgbox(0,"Info","The half is done...", 1) $m = GUIGetMsg () If $m = -3 Then ExitLoop If $m = $button Then GUICtrlSetData ($button,"Next") $s = $i;save the current bar-position to $s ExitLoop Else $s=0 GUICtrlSetData ($progressbar1,$i) GUICtrlSetData ($progressbar2,(100 - $i)) Sleep($wait) EndIf Next if $i >100 then ; $s=0 GUICtrlSetData ($button,"Start") endif EndIf until $msg = $GUI_EVENT_CLOSE