wxPython wx.MenuItem SetSubMenu()用法及代码示例

import wx 
  
  
class Example(wx.Frame):
  
    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs) 
  
        self.InitUI() 
  
    def InitUI(self):
        self.locale = wx.Locale(wx.LANGUAGE_ENGLISH) 
        self.menubar = wx.MenuBar() 
        self.fileMenu = wx.Menu() 
        # CREATE MENU  
        self.submenu = wx.Menu() 
        self.submenu.Append(wx.ID_ANY, 'ONE') 
        self.submenu.Append(wx.ID_ANY, 'TWO') 
        self.submenu.Append(wx.ID_ANY, 'THREE') 
        self.st = wx.StaticText(self, label ="", pos =(20, 20),  
                                         style = wx.ALIGN_LEFT) 
        self.item = wx.MenuItem(None, 1, '&Radio', kind = wx.ITEM_CHECK) 
  
        # SET self.submenu AS SUBMENU FOR self.item MENUITEM 
        self.item.SetSubMenu(self.submenu) 
        self.fileMenu.Append(self.item) 
        self.menubar.Append(self.fileMenu, '&File') 
        self.SetMenuBar(self.menubar) 
        self.SetSize((350, 250)) 
        self.SetTitle('Icons and shortcuts') 
        self.Centre() 
  
def main():
    app = wx.App() 
    ex = Example(None) 
    ex.Show() 
    app.MainLoop() 
  
  
if __name__ == '__main__':
    main()