# this function loads somes settings from the given wx.Config object
        # the path selected inside it is left unchanged
        def LoadMySettings(config):
        
            changer = wx.ConfigPathChanger(config, "/Foo/Data/SomeString")

            strs = config.Read("SomeString")

            if not strs:
                wx.LogError("Couldn't read SomeString!")
                return False
            
            # NOTE: without wx.ConfigPathChanger it would be easy to forget to
            #       set the old path back into the wx.Config object before this return!
            
            
            # do something useful with SomeString...
            
            return True  # again: wx.ConfigPathChanger dtor will restore the original wx.Config path