#Include <APIConstants.au3>
#Include <WinAPIEx.au3>
$hForm = GUICreate('MyGUI', 400, 400)
$hLabel = _WinAPI_CreateWindowEx(0, 'Static', '', BitOR($WS_CHILD, $WS_VISIBLE), 10, 10, 100, 14, $hForm)
_SendMessage($hLabel, $WM_SETFONT, _WinAPI_GetStockObject($DEFAULT_GUI_FONT), 1)
$hLabel2 = GUICtrlGetHandle(GUICtrlCreateLabel('',10,100,100,14))
GUISetState()
Do
_WinAPI_SetWindowText($hLabel, Random(0, 100000, 1))
_WinAPI_SetWindowText($hLabel2, Random(0, 100000, 1))
Until GUIGetMsg() = -3
_WinAPI_DestroyWindow($hLabel)