wxPython wx.MenuBar IsChecked()用法及代碼示例

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() 
        self.fileMenu2 = wx.Menu() 
        self.item = wx.MenuItem(self.fileMenu, 1, '&Check', helpString ="Check Help",  
                                                               kind = wx.ITEM_CHECK) 
        self.item.SetBitmap(wx.Bitmap('right.png')) 
        self.fileMenu.Append(self.item) 
        self.menubar.Append(self.fileMenu, '&File') 
        self.Bind(wx.EVT_MENU, self.Onclick, self.item) 
        self.SetMenuBar(self.menubar) 
        self.SetSize((350, 250)) 
        self.SetTitle('New Frame Title') 
        self.Centre() 
  
    def Onclick(self, e):
        if(self.menubar.IsChecked(1)== True):
            # print CHECKED if True 
            print("CHECKED") 
        else:
            # else print UNCHECKED 
            print("UNCHECKED") 
  
def main():
    app = wx.App() 
    ex = Example(None) 
    ex.Show() 
    app.MainLoop() 
  
  
if __name__ == '__main__':
    main()