✏ 编辑: slider-demo-1.py
from Tkinter import *

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


class Test(Frame):
    def print_value(self, val):
        print "slider now at", val

    def reset(self):
        self.slider.set(0)

    def createWidgets(self):
        self.slider = Scale(self, from_=0, to=100,
                            orient=HORIZONTAL,
                            length="3i",
                            label="happy slider",
                            command=self.print_value)

        self.reset = Button(self, text='reset slider',
                            command=self.reset)

        self.QUIT = Button(self, text='QUIT', foreground='red',
                           command=self.quit)

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

    def __init__(self, master=None):
        Frame.__init__(self, master)
        Pack.config(self)
        self.createWidgets()

test = Test()
test.mainloop()


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