There seems to be some spacing issue in asian languages. I was wondering if there was a workaround for it, or if there was something that I am missing in setting this combo editor up. See the following snap shots.
AfterDropDown (There is actually one item in there).
After clicking the down scroll bar,
If there are a many (16 in the following example) items in the editor there seems to be a lot of extra space at the end.
This looks very much like a bug that was addressed a while back; you should download the latest service release and if the problem persists, report it as a bug.