# -*- coding:Latin-1 -*-

from Tkinter import *
class Fenprinc(Tk):
    '''Fenêtre principale de l'application'''
    def __init__(self):
        Tk.__init__(self)
        self.vchk1 = IntVar()
        self.vchk1.set(1)
        self.chk1 = Checkbutton(self, text="Bouton1", variable=self.vchk1, command=self.test)
        self.chk1.pack()
        self.but = Button(self, text="nouvelle", command=self.nouvelle)
        self.but.pack()
        self.chk1.select()
    def test(self):
        print "IntVar"
        print self.vchk1.get()
    def nouvelle(self):
        Fenprinc()
if __name__ == "__main__":
    Fenprinc().mainloop()