On Fri, Mar 6, 2009 at 7:15 AM, Wayne Watson <sierra_mtnv...@sbcglobal.net> wrote: > Control variables. What is the difference between IntVar, BooleanVar, > StringVar, and DoubleVar?
The difference is the type of value returned by get(). > For example, in the program below, it looks like > I get the same result usint IntVar or StringVar. It almost appears the usage > depends on what widget one uses: Entry, RadioButton, CheckBox, ... > > ===================begin========= > from Tkinter import * > # Use of control variables > > def mycallback(): > print "User entered:" , e.get() > print "Operationg by 2 gives: ", e.get()*2 Change the above to use v.get(). e.get() has nothing to do with the var. > master = Tk() > > v=StringVar() > #v=IntVar() > print v,type(v) Try this: print v, type(v), type(v.get()) Kent _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
