Moving a window on the screen

Terry Reedy tjreedy at
Thu Nov 6 10:25:16 CET 2014

On 11/6/2014 3:57 AM, Chris Angelico wrote:
> On Thu, Nov 6, 2014 at 7:32 PM, ast <nomail at> wrote:
>> The fen window goes from it's initial location to the last one
>> but we dont see all the intermediate steps
> You usually don't want to use time.sleep() in a GUI program. Try doing
> the same thing, but with an event loop delay call instead; often, the
> display won't update until you go back to the main loop.

import tkinter as tk
root = tk.Tk()

x = 0
def march():
     global x
     root.geometry("200x200+%d+%d" % (x,x))
     x += 10
     if x < 200:
         root.after(300, march)


Terry Jan Reedy

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