wize.py 文件源码

def create_preorder(self):
        if self.menu is None:
            self.menu = wx.Menu()
        if not isinstance(self.zparent, (TopLevelMenu,Menu)):
            raise TypeError('wize.Menu nests under wize.MenuBar,wize.PopupMenu and wize.Menu, not %s' % (type(self.zparent,)))
        if isinstance(self.zparent, MenuBar):
            self.zparent.w.Append(self.menu, self.label)
            self.w = self.menu # there's no way to Enable/Disable wx.MenuBar top-level menus?!
        else:
            self.w = self.zparent.menu.AppendSubMenu(self.menu, self.label, self.help)