On Mar 1, 9:15 pm, John Salerno <johnj...@gmail.com> wrote:
> > EXAMPLE 1: (this works, but is flawed!)
> >  root = tk.Tk()
> >  b = tk.Button(master=None, text='Sloppy Coder')
> >  b.pack()
> >  root.mainloop()
>
> > EXAMPLE 2: (This is how to write code!)
> >  root = tk.Tk()
> >  widgetframe = tk.Frame(root)
> >  b = tk.Button(master=None, text='Sloppy Coder')
> >  b.pack()
> >  root.mainloop()
>
> > EXAMPLE 3: (OOP style)
> >  class App(tk.Tk):
> >      def __init__(self):
> >          tk.Tk.__init__(self)
> >          # something should happen here to justify using OOP
> >      # or here
>
> >  class AppFrame(tk.Frame):
> >      def __init__(self, master, **kw):
> >          tk.Frame.__init__(self, master, **kw)
> >          self.createWidgets()
>
> >      def createWidgets(self):
> >          b = tk.Button(master=None, text='Push Me')
> >          b.pack()
>
> >  if __name__ == '__main__':
> >      app = App()
> >      frame = AppFrame(app)
> >      frame.pack()
> >      app.mainloop()
>
> Why is the master argument for Button set to None? Shouldn't it be the Frame 
> object? And shouldn't it also have self as the first argument?

Hmm, it seems as though i am the latest victim of the "copy/paste
error"! Oh well, if you were going to absorb my teachings, you would
have absorbed them by now. I am moving on unless a new subject needs
explaining.
-- 
http://mail.python.org/mailman/listinfo/python-list

Reply via email to