[Tkinter-discuss] return value in event handler

[Russell E Owen]

In article <eo888l$rt1$1 at sea.gmane.org>,
 Alexander Belchenko <bialix at ukr.net> wrote:

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> I saw recipe in Python Cookbook about multilistbox implementation.
> (see code below). I try to understand why for event handlers
> have return value 'break'.

This stops event propagation. I don't know of any other "interesting" 
return values.

-- Russell