SHDocVw.InternetExplorer ie = new SHDocVw.InternetExplorerClass();
IWebBrowserApp wb = (IWebBrowserApp) ie;
wb.Visible = true;
object o = null;
//加入对事件的处理机制
wb.Navigate(url, ref o, ref o, ref o, ref o);
IWebBrowserApp wb = (IWebBrowserApp) ie;
wb.Visible = true;
object o = null;
//加入对事件的处理机制
wb.Navigate(url, ref o, ref o, ref o, ref o);
//...see
HOW TO: Handle Document Events in a Visual C# .NET Application
http://support.microsoft.com/?kbid=312777