/Python/Calling a function in python upon entry content changing tkinter

Calling a function in python upon entry content changing tkinter

from tkinter import *

root = Tk()
sv = StringVar()

def callback():
    print(sv.get())
    return True

e = Entry(root, textvariable=sv, validate="focusout", validatecommand=callback)
e.grid()
e = Entry(root)
e.grid()
root.mainloop()

Source: stackoverflow.com

Calling a function in python upon entry content changing tkinter

from Tkinter import *

def callback(sv):
    print sv.get()

root = Tk()
sv = StringVar()
sv.trace("w", lambda name, index, mode, sv=sv: callback(sv))
e = Entry(root, textvariable=sv)
e.pack()
root.mainloop()

Source: stackoverflow.com

Calling a function in python upon entry content changing tkinter

sv.trace_add("write", callback)

Source: stackoverflow.com

Similar codes

2 votes172 views2 answers
Label encoding column pandas
Python
0 vote158 views1 answer
Selenium.common.exceptions.TimeoutException: Message:
Python
1 vote153 views1 answer
Python text to speech version 3
Python
3 votes146 views1 answer
Python sort complexity
Python
22 votes160 views4 answers
How to create a string in python
Python
4 votes168 views6 answers
Python counter
Python
70 votes145 views6 answers
Pandas loop through rows
Python
2 votes190 views2 answers
Np logical not
Python
1 vote157 views3 answers
Link in embed discord.py
Python
0 vote112 views1 answer
Removing even rows in pandas
Python