Sub class button: add callback method and pack myself

from Tkinter import *

class HelloButton(Button):
    def __init__(self, parent=None, side=TOP, **config): 
        Button.__init__(self, parent, config)            
        self.pack(side=side)                             
        self.config(command=self.callback)
    def callback(self):
        print 'callback...'                   
        self.quit()
 
if __name__ == '__main__':
    HelloButton(side=LEFT, text='Hello Button').mainloop()

1.	Demonstrates using a class with Tkinter
2.	Define GUI in a class
3.	Using A Class Structure to define GUI
4.	Creating a simple dialog
5.	Button action inside a class
6.	Define class to handle GUI components
7.	Subclasses button
8.	Subclass HelloButton: redefine press-handler method
9.	Sub class button: add callback method and use a real dictionary
10.	subclasses frame: attach widgets to self
11.	Subclass Frame and use it
12.	Use Frame subclass
13.	Redefine call method in GUI subclass
14.	Standalone container class

Sub class button: add callback method and pack myself : UI Class « GUI Tk « Python

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