检测“x"何时出现或关闭按钮被按下 [英] Detect when the "x" or close button is pressed

问题描述

您如何知道用户何时在 python tkinter 程序中按下关闭按钮上的x"按钮并执行事件?

How would you know when the user pressed the "x" button on the close button in a python tkinter program and do an event?

推荐答案

您可以覆盖关闭协议.

def on_close():

     #custom close options, here's one example:

     close = messagebox.askokcancel("Close", "Would you like to close the program?")
     if close:
          root.destroy()

root.protocol("WM_DELETE_WINDOW",  on_close)

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