По кнопке “выход”, скрипт не заканчивает работу

#NoTrayIcon
#include <GUIConstants.au3>
#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
HotKeySet('{Esc}', '_Exit')
$var = "1" 

$gui = GUICreate(" Lot", 320, 120, @DesktopWidth / 2 - 160, @DesktopHeight / 2 - 45, -1, 0x00000018); WS_EX_ACCEPTFILES
$sValue = GUICtrlCreateInput("0.00000001", 10, 5, 300, 20)
GUICtrlSetState(-1, $GUI_ACCEPTFILES)
;GUICtrlCreateInput ("", 10,  35, 300, 20)   ; will not accept drag&drop files
$btn = GUICtrlCreateButton("старт", 40, 75, 60, 20)
$btn2 = GUICtrlCreateButton('выход', 130, 75, 60, 20)
$sPass = GUICtrlCreateInput ("1", 10,  35, 75, 20)
GUISetState()
$msg = 0
While 1
    $msg = GUIGetMsg()
    Select
        Case $msg = $btn ;And $sPass = $var
            if $var= GUICtrlRead($sPass)  Then _Funj()
			GUISetState(@SW_MINIMIZE, $gui)
		 Case $msg = $btn2

            GUIDelete($gui)
             _Exit()
		   Exit
        Case $msg = $GUI_EVENT_CLOSE

			GUIDelete($gui)

		   Exit
			;GUISetState(@SW_MINIMIZE, $gui)
    EndSelect
WEnd
Func  _Funj()
While 1

 _funcA()

Sleep(Random(6000, 12000, 1))
WEnd
EndFunc

Func _funcA()
Send("{S 30}")
EndFunc
 Func _Exit()
Exit
EndFunc

While 1 ; в каком случае произойдёт выход из цикла?

Func  _Funj()
While 1

 _funcA()
 If ЗДЕСЬ КАКОЕ УСЛОВИЕ НУЖНО? Then ExitLoop
Sleep(Random(6000, 12000, 1))
WEnd
EndFunc

Func _Funj()
  _funcA()
  Local $Timer = TimerInit()
  Local $Random = Random(6000, 12000, 1)
  While Sleep(11)
    If GUIGetMsg() = $btn2 Then Exit
    If TimerDiff($Timer) > $Random Then ExitLoop
  WEnd
EndFunc

Sleep(Random(6000, 12000, 1))

If TimerDiff($Timer) > $Random Then ExitLoop

Func _Funj()
  While 1
    _funcA()
    Local $Timer = TimerInit()
    Local $Random = Random(6000, 12000, 1)
    Do
      If GUIGetMsg() = $btn2 Then Exit
    Until TimerDiff($Timer) > $Random
  WEnd
EndFunc