求助wxpython创建绑定单击事件一级菜单的方法

如题,尝试在一级菜单中绑定单机事件,但无论如何尝试都以失败告终.

发现在菜单追加的二级菜单是可以正常绑定事件的,但是一级菜单wx.Menu即使是绑定wx.EVTMENUOPEN事件也会导致无法显示,求解决!

编译环境:Eclipse+Pydev+Python2.7

我的代码如下,虽然编译通过了,但是无法正常显示:

#-*- coding: utf-8 -*-
import wx

class App(wx.App):
    def OnInit(self):
        self.frame = rpFrame(parent=None, id=-1)
        self.frame.Show()
        self.SetTopWindow(self.frame)

        return True

class rFrame(wx.Frame):
    def __init__(self, parent=None, id=-1):
        wx.Frame.__init__(self, parent, id,'标题')
#状态栏
        statusBar = self.CreateStatusBar() 
#菜单栏
        menuBar = wx.MenuBar()
        self.SetMenuBar(menuBar)
#菜单
        menu1 = wx.Menu()
        menuBar.Append(menu1, "文件")
        menu2 = wx.Menu()
        menuBar.Append(menu2, "退出")
#绑定事件
        self.Bind(wx.EVT_MENU, self.OnCloseMe, menu1)

    def OnCloseMe(self, event):
        self.Close(True)

if __name__ == '__main__':
    app = App()
    app.MainLoop()

修改后的程序还是不能运行，有错误。
Traceback (most recent call last): File "test.py", line 32, in <module> app = App() File "/usr/lib64/python2.7/site-packages/wx-2.9.4-gtk2/wx/_core.py", line 8631, in __init__ self._BootstrapApp() File "/usr/lib64/python2.7/site-packages/wx-2.9.4-gtk2/wx/_core.py", line 8196, in _BootstrapApp return _core_.PyApp__BootstrapApp(*args, **kwargs) File "test.py", line 6, in OnInit self.frame = rFrame(parent=None, id=-1) File "test.py", line 26, in __init__ self.Bind(wx.EVT_MENU, self.OnCloseMe, menu1) File "/usr/lib64/python2.7/site-packages/wx-2.9.4-gtk2/wx/_core.py", line 4225, in Bind assert source is None or hasattr(source, 'GetId') AssertionError
应该是你 Bind 的用法有问题。

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