#include <AutoItConstants.au3>

Example()

Func Example()
        ; Display a progress bar window (maintext with 2 lines).
        ProgressOn("Progress Meter", "Increments every second" & @CRLF & "..." , "0%", -1, -1, BitOR($DLG_NOTONTOP, $DLG_MOVEABLE))

        ; Update the progress value of the progress bar window every second.
        For $i = 10 To 100 Step 10
                Sleep(1000)
                ProgressSet($i, $i & "%")
        Next

        ; Set the "subtext" and "maintext" of the progress bar window.
        ProgressSet(100, "Done", "Complete")
        Sleep(5000)

        ; Close the progress window.
        ProgressOff()
EndFunc   ;==>Example