设置IE的起始页

 public void SetIEStartPage(string url)
        {
            try
            {
                RegistryKey key = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Internet Explorer\Main", true);
                key.SetValue("Start Page", url);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }