My experience, which admittedly is limited, has been that a lot of the ins and outs are not well documented.
For my current program I went through three iterations of the UI: the first when I found out about validators; the second when I learned how to use trace functions; and (hopefully) the last when I realized I could just bind the key_up events and do everything I needed right there. On Oct 21, 2012, at 8:39 PM, "Paul Simon" <psi...@sonic.net> wrote: > Thank you! Just what I was looking for and will have to re-read the > documentation. Sorry about the indents: Copying from linux to windows > sometimes does some strange things and although I tried to fix it... > > Paul > "Lynn Oliver" <rayco...@gmail.com> wrote in message > news:7bf8a3b5-45a3-499c-89c8-34f1ec251...@gmail.com... > Maybe the idle loop needs to run so things get done. Try calling > update_idletasks(). Be nice to have some indents... > > Lynn > > On Oct 21, 2012, at 3:31 PM, Paul Simon <psi...@sonic.net> wrote: > >> I' m a novice python programmer and now starting to learn tkinter for a >> front and db back end to replace an application written MS Access/VBA. The >> following program doesn't work as I expected as data is not written to the >> text box until the def is exited. If I include a print statement with the >> increment it is printed. >> >> Any suggestions are welcome. >> >> from Tkinter import * >> >> from time import sleep >> >> def count (event): >> >> #while n < 2: >> >> for n in range(2): >> >> print str(n) >> >> text_button.insert(2.0, str(n)) >> >> sleep (2) >> >> >> root = Tk() >> >> root.geometry("300x300+10+10") >> >> frame = Frame(root,bg="red", width=100,height=100) >> >> text_button = Text(frame,fg ="green",bg="blue",height=1,width=7) >> >> text_button.bind("<Button-1>",count) >> >> text_button.pack(side=LEFT) >> >> quit_button = Button(frame, text="QUIT",fg="red", command=root.destroy) >> >> quit_button.pack(side=LEFT) >> >> frame.pack() >> >> root.mainloop() >> >> ------------------------------- >> >> Paul Simon >> >> >> >> _______________________________________________ >> Tkinter-discuss mailing list >> Tkinter-discuss@python.org >> http://mail.python.org/mailman/listinfo/tkinter-discuss > > > > _______________________________________________ > Tkinter-discuss mailing list > Tkinter-discuss@python.org > http://mail.python.org/mailman/listinfo/tkinter-discuss > _______________________________________________ > Tkinter-discuss mailing list > Tkinter-discuss@python.org > http://mail.python.org/mailman/listinfo/tkinter-discuss
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