def METHOD_NAME(self):
    """add standard button box buttons.
    """
    box = tk.Frame(self)
    # Create buttons
    w = tk.Button(box, text="OK", width=10, command=self.ok)
    w.pack(side=tk.LEFT, padx=5, pady=5)
    # Create buttons
    w = tk.Button(box, text="Cancel", width=10, command=self.cancel)
    w.pack(side=tk.LEFT, padx=5, pady=5)
    # Bind commands
    self.bind("<Return>", self.ok)
    self.bind("<Escape>", self.cancel)
    # Pack
    box.pack()