Use lambda to generate a call back function for a button : Event « GUI Tk « Python

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Python » GUI Tk » EventScreenshots 
Use lambda to generate a call back function for a button
Use lambda to generate a call back function for a button


from Tkinter import *
from sys import stdout, exit      

widget = Button(None,             
             text='Hello event world', 
             command=(lambda: stdout.write('Hello lambda world\n') or exit()) )
widget.pack()
widget.mainloop()


           
       
Related examples in the same category
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3. Sharing Information Between Event-Handler FunctionsSharing Information Between Event-Handler Functions
4. What Events Does 'Command' Bind To?What Events Does 'Command' Bind To?
5. adds callbacks function to a buttonadds callbacks function to a button
6. Add system exit action to a buttonAdd system exit action to a button
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