#Include GetChildHWND.ahk
!z::
;String for add
s=Hi World!
InputBox,s,Enter string to ,It sends the message to add a string to a list box,,,,,,,,%s%
VAR_address:= DllCall("CharNext", str, s, UInt)-1
ActiveWindow:= WinExist("A")
WinGetClass, class, A
ControlGetFocus, FocusedControl, ahk_id %ActiveWindow%
if not FocusedControl
	return
c_id:=GetChildHWND(ActiveWindow,FocusedControl)
SendMessage, 0x180, 0, VAR_address, %FocusedControl%, A
;MsgBox (Class=%class% Handle=%ActiveWindow%)(FC=%FocusedControl% Handle=%c_id%)