1 from Tkinter import *

     2 

     3 # shows how to make a slider, set and get its value under program control

     4 

     5 

     6 class Test(Frame):

     7     def print_value(self, val):

     8         print "slider now at", val

     9 

    10     def reset(self):

    11         self.slider.set(0)

    12 

    13     def createWidgets(self):

    14         self.slider = Scale(self, from_=0, to=100,

    15                             orient=HORIZONTAL,

    16                             length="3i",

    17                             label="happy slider",

    18                             command=self.print_value)

    19 

    20         self.reset = Button(self, text='reset slider',

    21                             command=self.reset)

    22 

    23         self.QUIT = Button(self, text='QUIT', foreground='red',

    24                            command=self.quit)

    25 

    26         self.slider.pack(side=LEFT)

    27         self.reset.pack(side=LEFT)

    28         self.QUIT.pack(side=LEFT, fill=BOTH)

    29 

    30     def __init__(self, master=None):

    31         Frame.__init__(self, master)

    32         Pack.config(self)

    33         self.createWidgets()

    34 

    35 test = Test()

    36 test.mainloop()