python tkinter close window event code example

Example 1: python detect if tkinter page closed

import tkinter as tk
from tkinter import messagebox

root = tk.Tk()

def on_closing():
    if messagebox.askokcancel("Quit", "Do you want to quit?"):
        root.destroy()

root.protocol("WM_DELETE_WINDOW", on_closing)
root.mainloop()

Example 2: how to manually close tkinter window

root = tk()
root.destroy()

Example 3: python tkinter how to close a window

root.destroy()

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Python Example

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