self.process = wx.Process(self.status)
        self.process.Redirect()
        pid = wx.Execute(command, wx.EXEC_ASYNC, self.process)
        self.process.Detach()
        while self.process.Exists(pid):
            if self.flag_chancel:                    
                break
            stream = self.process.GetInputStream()
            if stream.CanRead():
                text = stream.read()
                self.status.AppendText(text)
            wx.YieldIfNeeded()
            time.sleep(0.05)