我试图让使用按钮canvas.create_window
中toplevel()
的Tkinter的。按钮用于返回主窗口。显示第一个“开始”按钮,但不显示第二个“后退”按钮。下面的代码。
from tkinter import *
win = Tk()
def play_button():
win.withdraw()
top = Toplevel()
top.geometry("300x300")
button_back = Button(top, text="Back", command=back_button)
canvas_two = Canvas(top, width = 300, height = 300)
canvas_two.pack(fill="both", expand=True)
Button_reverse = canvas_two.create_window(0, 0, anchor="nw", window=button_back)
top.resizable(False, False)
def back_button():
win.deiconify()
win.geometry("300x300")
canvas = Canvas(win, width = 300, height = 300)
canvas.pack(fill="both", expand=True)
button_play = Button(win, text="Play", command=play_button)
Play_button = canvas.create_window(0, 0, anchor="nw", window=button_play )
win.mainloop()
问题是创造的顺序canvas_two
和button_back
。您需要创建第Canvas
一个,然后将其Button
放在其顶部,如下所示。
def play_button():
win.withdraw()
top = Toplevel()
top.geometry("300x300")
canvas_two = Canvas(top, width=300, height=300)
canvas_two.pack(fill="both", expand=True)
button_back = Button(top, text="Back", command=back_button)
Button_reverse = canvas_two.create_window(0, 0, anchor="nw", window=button_back)
top.resizable(False, False)
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