#!/usr/bin/env python

import wx

class DoubleEventFrame(wx.Frame):

    def __init__(self, parent, id):

        wx.Frame.__init__(self, parent, id, 'Frame With Button',

                size=(300, 100))

        self.panel = wx.Panel(self, -1)

    self.cc = 1

        self.button = wx.Button(self.panel, -1, "Click Me", pos=(100, 15))

        self.Bind(wx.EVT_BUTTON, self.OnButtonClick, self.button)

        self.button.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown)

    def OnButtonClick(self, event):

    if self.cc == 1:

            self.panel.SetBackgroundColour('Green')

        self.cc = 2

    else:

            self.panel.SetBackgroundColour('RED')

        self.cc = 1

        self.panel.Refresh() # 这里不管self.Refresh()，只要是parent，或者parent的parent进行Refresh()都可以

    def OnMouseDown(self, event):

        self.button.SetLabel("Again!")

        event.Skip() # 这里，处理完消息以后，还可以继续传递同一条消息继续处理。

if __name__ == '__main__':

    app = wx.PySimpleApp()

    frame = DoubleEventFrame(parent=None, id=-1)

    frame.Show()

    app.MainLoop()