[Tkinter-discuss] bind between event and callback

[Firat Ozgul]

The reason why you get no response is the lack of focus when you first
create the frame. Therefore you should set the focus on frame
manually, like this:

[code]
from Tkinter import *
root = Tk()
def callback(event):
   print "i am here"

frame = Frame(root, width=100, height=100)
frame.bind("<Key>", callback)
frame.focus_set()
frame.pack()
root.mainloop()
[/code]

2011/8/17 守株待兔 <1248283536 at qq.com>:
> code1
> from Tkinter import *
> root = Tk()
> def callback(event):
>     print "i am here"
>
> frame = Frame(root, width=100, height=100)
> frame.bind("<Return>", callback)
> frame.pack()
> root.mainloop()
>
> when  i press  "enter",there is no output  "i am here"
> code2
> from Tkinter import *
> root = Tk()
> def callback(event):
>     print "i am here"
>
> frame = Frame(root, width=100, height=100)
> frame.bind("<Key>", callback)
> frame.pack()
> root.mainloop()
>
> when  i press  any key ,there is no output  "i am here"
>
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