Tkinter messagebox - Show Info

Tkinter messagebox – Show info

In Tkinter, the messagebox.showinfo() method is used display or show an information in a window or message box.

In this tutorial, you will learn how to display an information message to user using messagebox.showinfo() method in Tkinter, how an information message box is displayed in different operating systems, and an example program.

Syntax of messagebox.showinfo()

The syntax of showinfo() method is

messagebox.showinfo(title, message)

where

Parameter	Description
title	This string is displayed as title of the message box. [How a title is displayed in message box depends on the Operating System. ]
message	This string is displayed as information inside the message box.

How messagebox.showinfo() displays in different Operating Systems

The following screenshots show how an information message box appears in different operating systems.

messagebox.showinfo("Greeting", "Welcome to PythonExamples.org")

In Windows

Given title is displayed as the title of message box. Inside the message box, an info icon (white i mark with blue background in circular shape) is followed by the message.

In MacOS

When you click on the OK button under the message, the message box disappears.

Examples

1. Show a welcome message

For example, consider that you have created a GUI application using Python Tkinter, and you would like to display a greeting message.

You can display the greeting message as an information in a message box, as shown in the following code.

Python Program

import tkinter as tk
from tkinter import messagebox

# Create the main window
window = tk.Tk()

# Show an information message box
messagebox.showinfo("Greeting", "Welcome to PythonExamples.org")

# Run the application
window.mainloop()

Once the message box is displayed, you can click on the OK button. Then the message box disappears.

Output

In Windows 10

In MacOS.

Summary

In this Python Tkinter tutorial, we learned how to display information in message box in Tkinter, with examples.