[haohaoxuexi1]

Thanks

import vizmenu
menu = vizmenu.add()

#Align the menu in the enter of the top of the screen. 
menu.setAlignment( vizmenu.CENTER )

#Scale the menu up
vizmenu.MENU_FONT_SIZE = 24

#Create five menu subjects
n1 = menu.add( 'n1' )
z1 = menu.add( 'z1' )

#Create sub-menu with label for n1
n_checkbox = n1.add( viz.CHECKBOX, 'n11' )
n_checkbox.setScale([3]*3)

#Create sub-menu with label for z1
z_checkbox_p = z1.add( viz.CHECKBOX, 'z11' )
z_checkbox_p.setScale([3]*3)

z_checkbox_n = z1.add( viz.CHECKBOX, 'z12' )
z_checkbox_n.setScale([3]*3)

def onButton_trigger(obj,state):

    global z111
    global z222	

    #judgement for z1
    if obj == z_checkbox_p: 
        if state == viz.DOWN: 
            z111 = True
            print 'zt1=',z111	
        else: 
            z111 = False

    #judgement for z2
    if obj == z_checkbox_n: 
        if state == viz.DOWN: 
            z222 = True
            print 'zt2=',z222	
        else: 
            z222 = False

viz.callback(viz.BUTTON_EVENT, onButton_trigger)

def onButton_trigger2(obj,state):

    global n11

    #judgement for z1
    if obj == n_checkbox: 
        if state == viz.DOWN: 
            n11 = True
            print 'n11=',n11	
        else: 
            n11 = False

viz.callback(viz.BUTTON_EVENT, onButton_trigger2)