press pause button but it dont pause right away?

[langthang084 0]

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HotKeySet("{Esc}", "_Exit")

$hGui = GUICreate("Gui Pause Button Example", 300, 80)
$hPause = GUICtrlCreateButton("Pause", 120, 24, 60)
GUISetState()

for $a = 1 to 1000
   sleep(400)
   ToolTip($a)


   Switch GUIGetMsg()
        Case -3 ; $GUI_EVENT_CLOSE
            Exit
        Case $hPause ; Pause button
            ConsoleWrite("!Pause" & @LF)
            _Pause()
         EndSwitch
Next

Func _Pause()
    GUICtrlSetData($hPause, "Resume")
    While 3
        Switch GUIGetMsg()
            Case -3 ; $GUI_EVENT_CLOSE need to be able to exit while paused.
                Exit
            Case $hPause ; Pause button
                ExitLoop
        EndSwitch
    WEnd
    GUICtrlSetData($hPause, "Pause")
    ConsoleWrite("+Resume" & @LF)
EndFunc   ;==>_Pause

Func _Exit()
    Exit
EndFunc   ;==>_Exit

 

When I run and press Pause button at once , but the script will pause when $a >15. If unpause, it run normally. 

Why and how to resolve It?

Thanks all!

[Danp2 170]

Seems to work as expected if you comment out the Sleep statement.

[langthang084 0]

Yes! remove sleep or sleep(10), then it works. But I dont know why?

[water 1,615]

Because Sleep is a "blocking" function, means: you can't interrupt it.