在tkinter中保存顶级页面的状态

import tkinter as tk

class MyApplication:
    def __init__(self):
        self.top_level_state = None

    def save_state(self):
        self.top_level_state = top_level.state()

app = MyApplication()
top_level = tk.Toplevel()
# 使用top_level页面
app.save_state()

import tkinter as tk

top_level_state = None

def save_state():
    global top_level_state
    top_level_state = top_level.state()

top_level = tk.Toplevel()
# 使用top_level页面
save_state()