ok...create a menu with the menu editor.
for the uppermost level...Uncheck visible
then add delete ( this one leave visible)

menu----

pop
---Delete

pop (name it mnuPop) Uncheck visible
---Delete (name it whatever) and leave visible checked

click ok
menu will not appear

goto code window...select you listbox...select mousedown

Code:
if buttone = 2 then me.popupmenu mnuPop
then just code the delete menu choice...