Tkinter列表框控件Listbox怎么使用

# create a listbox for demo.lb = Listbox(root,             activestyle='dotbox',             bg="#ffffa0",fg="#ff0000",             disabledforeground="#3f3f3f",             highlightbackground="#0000ff",             font=ftiTimes,             height=10, width=20)
# add itemsfor i in range(0,20):    lb.insert(END, str(i))

# bind eventlb.bind('<>',        lambda e: label.config(text=str(lb.curselection())))lb.grid(row=0, column=0, columnspan=3, sticky=W+E)

# create a Spinbox to change state.st_spin = Spinbox(root,                  values=('normal', 'disabled'),                  state='readonly',                  command=lambda:lb.config(state=st_spin.get()))st_spin.grid(row=1, column=0, columnspan=1, sticky=W)
# create a Spinbox to change activestyle.as_spin = Spinbox(root,                  values=('dotbox', 'underline', 'none'),                  state='readonly',                  command=lambda:lb.config(activestyle=as_spin.get()))as_spin.grid(row=1, column=1, columnspan=1, sticky=W)
# create a Spinbox to change select mode.sm_spin = Spinbox(root,                  values=('browse', 'single', 'multiple', 'extended'),                  state='readonly',                  command=lambda:lb.config(selectmode=sm_spin.get()))sm_spin.grid(row=1, column=2, columnspan=1, sticky=W)

label=Label(root)label.grid(row=2, column=0, columnspan=4)