http://straylink.wordpress.com/2006/11/16/combobox-display-issues-explained/
well according to above, popupmanager slaps the list part of a combo box on the root, usually below most things you dynamically add
---- question is…
would recoding it be a wise step?
or could you just nick the GUI then sproose up Kirupa’s list tutorial.
:yoda: reply you must, there is no try