[英]How to make button using canvas in toplevel() Tkinter
我正在嘗試在 Tkinter 的toplevel()
中使用canvas.create_window
制作一個按鈕。 按鈕用於 go 回到主 window。 顯示第一個“開始”按鈕,但不顯示第二個“返回”按鈕。 代碼如下。
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()
問題是canvas_two
和button_back
的創建順序。 您需要先創建Canvas
,然后將Button
放在上面,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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