Код:

#include "WinGetTitleEx.au3"
#include <Constants.au3>
#include <Misc.au3>
#include <GUIConstantsEx.au3>
Opt("TrayOnEventMode", 1)
Opt("GUIOnEventMode", 1)
Opt("SendCapslockMode", 0)
Opt("TrayMenuMode", 1 + 2)
$prefsitem = TrayCreateItem("Preferences")
TrayCreateItem("")
$aboutitem = TrayCreateItem(("About"))
TrayCreateItem("")
$exititem = TrayCreateItem("Exit")
TrayItemSetOnEvent($prefsitem, "Preferences")
TrayItemSetOnEvent($aboutitem, "About")
TrayItemSetOnEvent($exititem, "Exit")
While 1
;~ Vasha programa
WEnd
Func Preferences()
Msgbox(64,"Preferences:","OS:" & @OSVersion)
EndFunc
Func About()
Msgbox(64,"about:","AutoIt3-Tray-sample")
EndFunc
Func Exit1()
Exit
EndFunc ;==>Exit1
А я так бы сделал