from Tkinter import *
class TestMenu:
def __init__(self, master):
self.master = master
self.menubar = Menu(self.master)
self.chkmenu = Menu(self.menubar)
self.chkmenu.add_checkbutton(label='A')
self.chkmenu.add_checkbutton(label='B')
self.chkmenu.add_checkbutton(label="C")
self.chkmenu.add_checkbutton(label='D')
self.chkmenu.add_checkbutton(label='E')
self.chkmenu.invoke(self.chkmenu.index('C'))
self.menubar.add_cascade(label="Checkbutton Menu", menu=self.chkmenu)
self.top = Toplevel(menu=self.menubar, width=500, relief=RAISED,
borderwidth=2)
def main():
root = Tk()
root.withdraw()
app = TestMenu(root)
root.mainloop()
if __name__ == '__main__':
main()