1 from Tkinter import *

     2 

     3 

     4 class Test(Frame):

     5     def createWidgets(self):

     6 

     7         self.Gpanel = Frame(self, width='1i', height='1i',

     8                             background='green')

     9 

    10         # this line turns off the recalculation of geometry by masters.

    11         self.Gpanel.propagate(0)

    12 

    13         self.Gpanel.pack(side=LEFT)

    14 

    15         # a QUIT button

    16         self.Gpanel.QUIT = Button(self.Gpanel, text='QUIT', foreground='red',

    17                                   command=self.quit)

    18         self.Gpanel.QUIT.pack(side=LEFT)

    19 

    20     def __init__(self, master=None):

    21         Frame.__init__(self, master)

    22         Pack.config(self)

    23         self.createWidgets()

    24 

    25 test = Test()

    26 

    27 test.master.title('packer demo')

    28 test.master.iconname('packer')

    29 

    30 test.mainloop()