Hi,
not very useful, but maybe for somebody ...
#include<GUIConstantsEx.au3>
#include<WindowsConstants.au3>
Opt('GUICloseOnESC', 1)
Opt('GUIOnEventMode', 1)
Opt("WinTitleMatchMode", 4)
Global $shell = WinGetPos("classname=Shell_TrayWnd")
Global $gui = GUICreate("Gui", 160, 160, @DesktopWidth - 160, @DesktopHeight - 160 - $shell[3], $WS_POPUP, $WS_EX_TOPMOST)
GUISetState(@SW_SHOW)
GUISetOnEvent($GUI_EVENT_CLOSE, "CLOSEClicked")
While 1
$pos_X = MouseGetPos(0)
$pos_Y