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Python tkinter pack before

Posted on April 24, 2023

Hi everybody! I am dating a 67-year-old retired tkinter. I’ve never programmed before. Does anyone know what argument the -before parameter of the tkinter pack package manager takes. I don’t speak English very well, but I understand Python code. Can you write me one so I can understand the function of before? I couldn’t find a script on the Internet. Thanks! Daddy Laly



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Accepted Answer

Heya @tvcsop,

I understand you’re looking for an example of how to use the -before parameter in Tkinter’s pack geometry manager. The -before parameter is used to specify the position of a widget relative to another widget in the same container. Here’s a simple example in Python to demonstrate its usage:

import tkinter as tk

def main():
    root = tk.Tk()

    frame = tk.Frame(root)
    frame.pack()

    button1 = tk.Button(frame, text="Button 1")
    button1.pack(side=tk.LEFT)

    button2 = tk.Button(frame, text="Button 2")
    button2.pack(side=tk.LEFT)

    button3 = tk.Button(frame, text="Button 3")
    button3.pack(side=tk.LEFT)

    # Insert Button 4 before Button 2
    button4 = tk.Button(frame, text="Button 4")
    button4.pack(side=tk.LEFT, before=button2)

    root.mainloop()

if __name__ == "__main__":
    main()

In this example, we create a Tkinter window with a frame and four buttons. We pack the first three buttons with side=tk.LEFT so they appear from left to right. Then, we create a fourth button and use the before parameter to specify that it should be placed before the second button (button2). This will cause Button 4 to be inserted between Button 1 and Button 2.

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