Thanks for the hint. But I did not try such *advance* techniques so
far.
Both Delete-then-insert and Insert-then-delete work for me.
Interestingly, I found Delete-then-insert can cause some flicking when
replacing items near bottom, while Insert-then-delete always works
fine.
Zhang Le
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http://
To the best of my knowledge, the only way to do this is as you describe: delete
the old item, then insert the new item. The Tk manpage for "listbox" doesn't
describe any commands to only update an item in the list.
Actually, you may have another choice, if your Tk is new enough---Tk supports
(in