摘要：
private void SendEmail(object sender, RoutedEventArgs e) { if (!PingIpOrDomainName("www.google.com")) { mainViewModel.MessageText = "Network impassability!";return; } string pattern = @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"; ... 阅读全文
