invokerequied

  if (webBrowser1.InvokeRequired)
                        {
                            webBrowser1.Invoke(new MethodInvoker(() =>
                            {
                                try
                                {
                                    ie.IEFlow.Wait(Config.DwddTime);
                                }
                                catch
                                {

                                }

                            }));
                        }
                        else
                        {
                            ie.IEFlow.Wait(Config.DwddTime);
                        }