For those interested in this thread, I posted this question to the ptk list, and I was pointed in the direction of Tk::Trace, which looks like it will do what I want.

I will be able to set a trace on the radiobutton variable, which results in a callback when its value is changed. I will need to filter the cases for when the button is being deselected.

$me =~ /happy bunny/

In reply to Re: Need a callback for Tk radio button deselect by rinceWind
in thread Need a callback for Tk radio button deselect by rinceWind

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