Tkinter CheckButton variables
klappnase
klappnase at web.de
Thu Jul 1 05:38:55 EDT 2004
"Elaine Jackson" <elainejackson7355 at home.com> wrote in message news:<OSMEc.954254$oR5.38158 at pd7tw3no>...
> My CheckButton variables seem always to be true, whether the box is checked or
> not, which makes them considerably less useful. Following is a little script
> that illustrates the difficulty. Any help will be greatly appreciated. Thank
> you.
>
> ###########################################
>
> from Tkinter import *
>
> def bCommand():
> if c['variable']: ## ALSO TRIED: if cVbl
> print 'bool(cVbl)==True'
> else:
> print 'bool(cVbl)==False'
>
> root = Tk()
> cVbl = IntVar()
> c = Checkbutton(root,variable=cVbl)
> c.pack(side=LEFT)
> b = Button(root,height=1,width=10,command=bCommand)
> b.pack(side=LEFT)
> root.mainloop()
c[variable'] returns (of course) cVb1 and therefore will always be true.
You should use
if cVb1.get():
(etc.)
Michael
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