#include-once
#include <GUIConstantsEx.au3>
#include <MsgBoxConstants.au3>

Example()

Func Example()
	Local $h_MenuFont, $Main_GUI, $idContextmenu, $idKMen_Test

    $Main_GUI = GUICreate("Mein GUI Kontextmenü", 300, 200)

    $idContextmenu = GUICtrlCreateContextMenu()

    $idKMen_Test = GUICtrlCreateMenuItem("Text", $idContextmenu)

    GUISetState(@SW_SHOW)

    While 1
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop
            Case $idKMen_Test
                MsgBox($MB_TOPMOST, "Kontextmenü", "Hurra", 2)
        EndSwitch
    WEnd
    GUIDelete()
EndFunc   ;==>Example