Hi.  Attempting to catch and process a keystroke in a GUI window.  Here's the code: ; ---------------------------------------------------------------------- ; | Library includes ; ---------------------------------------------------------------------- #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> #include <GUIListView.au3> #include <WinAPISys.au3> #include <WinAPIvkeysConstants.au3> #include <GuiButt