vbar = tk.Scrollbar(self, orient=tk.VERTICAL)
vbar.config(command=self.yview)
vbar.pack(side=tk.RIGHT, fill=tk.Y, pady=(0, 16))
hbar = tk.Scrollbar(self, orient=tk.HORIZONTAL)
hbar.config(command=self.xview)
hbar.pack(side=tk.BOTTOM, fill=tk.X)
self.config(background='white', yscrollcommand=vbar.set, xscrollcommand=hbar.set)
self.focus_set()
self.elements = {}
self.shift = {}
self.delete("all")
self.destroy()