Adjust a canvas as the window is resized

Peter Otten __peter__ at
Mon Mar 10 09:43:33 CET 2008

K Viltersten wrote:

> Do i need to set a callback to a canvas
> in order to "listen" to the root window
> being resized in order to make it adjust
> its contents?
> If so, how? If not, how do i make the
> canvas draw a line from one corner to
> an other?

import Tkinter as tk

root = tk.Tk()
canvas = tk.Canvas(root)
canvas.pack(expand=True, fill=tk.BOTH)
line = canvas.create_line(0, 0, 0, 0)

def resize(event):
    canvas.coords(line, 0, 0, event.width, event.height)
canvas.bind("<Configure>", resize)



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