> 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? -- http://mail.python.org/mailman/listinfo/python-list
