#! /usr/bin/python
# -*- coding: cp1251 -*-

import wx, time

class Window(wx.Frame):
    def __init__(self, parent, id, title):
        wx.Frame.__init__(self, parent, id, title, size = (400, 200))
        panel = wx.Panel(self, -1)
        panel.SetBackgroundColour('#ffffff')
                
        self.listbox = wx.ListBox(panel, -1, size = (400, 200))
        
        for i in range(10):
            self.listbox.Append(str(i) + 'Hello!')
            time.sleep(3)
        
        self.Centre()
        self.Show(True)
        
app = wx.App()
frame = Window(None, -1, 'Hello, world!')
app.MainLoop()