What is intvar?

[W. eWatson]

r wrote:
> here is a good explanation of control vars:
> http://infohost.nmt.edu/tcc/help/pubs/tkinter/control-variables.html
> 
> Here are 3 great Tkinter refernces in order:
> http://infohost.nmt.edu/tcc/help/pubs/tkinter/
> http://effbot.org/tkinterbook/
> http://www.pythonware.com/library/tkinter/introduction/
Thanks to all for the reference and tips.

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                                W. eWatson

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