original example from HelpFile:
#include <GUIConstantsEx.au3>
GUICreate("Custom Msgbox", 210, 80)
GUICtrlCreateLabel("Please click a button!", 10, 10)
$YesID = GUICtrlCreateButton("Yes", 10, 50, 50, 20)
$NoID = GUICtrlCreateButton("No", 80, 50, 50, 20)
$ExitID = GUICtrlCreateButton("Exit", 150, 50, 50, 20)
; Set accelerators for Ctrl+y and Ctrl+n
Dim $AccelKeys[2][2]=[["^y", $YesID], ["^n", $NoID]]
GUISetAccelerators($AccelKeys)
GUISetState() ; display the GUI
Do
$msg = GUIGetM