WindowFromPoint() No Active?

[Helomotorola]

Global $hwnd
While 1
    Sleep (1)
    $pos = MouseGetPos()
    $hwnd = WindowFromPoint($pos)
    ToolTip($hwnd, 0, 0)
WEnd

Func WindowFromPoint($tPoint)
  Local $iX, $iY, $aResult
  $iX     = DllStructGetData($tPoint, "X")
  $iY     = DllStructGetData($tPoint, "Y")
  $aResult = DllCall("User32.dll", "hwnd", "WindowFromPoint", "int", $iX, "int", $iY)
  Return $aResult[0]
EndFunc

Thank

[PsaltyDS]

MouseGetPos() returns an AutoIt variant array, not a DLL struct. Try it this way (plus, give yourself a way to quit):

Global $hwnd

HotKeySet("{ESC}", "_Quit")

While 1
    Sleep(1)
    $pos = MouseGetPos()
    $hwnd = WindowFromPoint($pos)
    ToolTip($hwnd & " = " & WinGetTitle($hwnd), 0, 0)
WEnd

Func WindowFromPoint($tPoint)
    Local $aResult = DllCall("User32.dll", "hwnd", "WindowFromPoint", "int", $tPoint[0], "int", $tPoint[1])
    Return $aResult[0]
EndFunc   ;==>WindowFromPoint

Func _Quit()
    Exit
EndFunc   ;==>_Quit