Tkinter radiobutton border

[Peter Otten]

Mike wrote:

> I've placed a radiobutton on a green panel.  The background of the
> radiobutton is also green.  Borderwidth is 0 and relief is FLAT.  I
> still get a thin gray border around the radiobutton.  What is this
> border, and how can I get rid of it.  Thanks.

Try

highlightthickness=0

Peter