/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

0 vote249 views1 answer
Pycharm flask invalid or missing encoding declaration
Python Flask
0 vote286 views1 answer
Mad libs game prompt python
Python
2 votes253 views2 answers
HBox(children=(FloatProgress(value=
Python
0 vote229 views1 answer
How to read backslash slash python
Python
0 vote209 views1 answer
Django staff_member_required decorator
Python
86 votes239 views6 answers
Csv in python
Python
2 votes218 views1 answer
Pychamrfind and replace
Python
0 vote227 views1 answer
Dates and Times in python
Python
0 vote227 views1 answer
Python - Drop row if two columns are NaN
Python
0 vote192 views1 answer
How to open hyperlink with target=“_blank” in PyQt5
Python