You can put any UI you want in the createContents(Composite) method of you
You may want to ask this question on the platform newsgroup to see if anyone
has a code snippet, as this is not GEF specific.
"Rajeev" <firstname.lastname@example.org> wrote in message
> In properties view, I want to specify the available options for an
> attribute for a graphical element as radio button instead of combo box.
> Is it possible?