Python Tkinter MessageBox Example

The Tkinter tkMessageBox has various methods to display a message box.

There is a slight difference between Tkinter for Python 2.7 and Python 3.
To find your Python version try one of these commands:

TkMessage boxTo show a minimalistic Tkinter message box, use the function showinfo() where the parameters are the window title and text.

The showinfo() function is in a different module depending on the Python version.

Python 3.x


from tkinter import messagebox

messagebox.showinfo("Title", "a Tk MessageBox")

from tkinter import messagebox

messagebox.showinfo("Title", "a Tk MessageBox")

Python 2.7


import Tkinter
import tkMessageBox

tkMessageBox.showinfo("Title", "a Tk MessageBox")

import Tkinter

import tkMessageBox

tkMessageBox.showinfo("Title", "a Tk MessageBox")

Tkinter showerror, showwarning and showinfo

Tk messagebox dialog

Tkinter includes several other message boxes:

showerror()
showwarning()
showinfo()

Python 3.x


import tkinter
from tkinter import messagebox

# hide main window
root = tkinter.Tk()
root.withdraw()

# message box display
messagebox.showerror("Error", "Error message")
messagebox.showwarning("Warning","Warning message")
messagebox.showinfo("Information","Informative message")

import tkinter

from tkinter import messagebox

# hide main window

root = tkinter.Tk()

root.withdraw()

# message box display

messagebox.showerror("Error", "Error message")

messagebox.showwarning("Warning","Warning message")

messagebox.showinfo("Information","Informative message")

Python 2.7


import Tkinter
import tkMessageBox

# An error box
tkMessageBox.showerror("Error","No disk space left on device")

# A warning box 
tkMessageBox.showwarning("Warning","Could not start service")

# An information box
tkMessageBox.showinfo("Information","Created in Python.")

import Tkinter

import tkMessageBox

# An error box

tkMessageBox.showerror("Error","No disk space left on device")

# A warning box

tkMessageBox.showwarning("Warning","Could not start service")

# An information box

tkMessageBox.showinfo("Information","Created in Python.")

Python Tkinter Message Box Example


from tkinter import *
from tkinter import messagebox

ws = Tk()
ws.title('Code4Example')
ws.geometry('300x200')
ws.config(bg='#5FB691')

def msg1():
    messagebox.showinfo('information', 'Hi! You got a prompt.')
    messagebox.showerror('error', 'Something went wrong!')
    messagebox.showwarning('warning', 'accept T&C')
    messagebox.askquestion('Ask Question', 'Do you want to continue?')
    messagebox.askokcancel('Ok Cancel', 'Are You sure?')
    messagebox.askyesno('Yes|No', 'Do you want to proceed?')
    messagebox.askretrycancel('retry', 'Failed! want to try again?')

Button(ws, text='Click Me', command=msg1).pack(pady=50)

ws.mainloop()