SmtpException.StatusCode Vlastnost

Definice

Obor názvů:

System.Net.Mail

Sestavení:

netstandard.dll, System.Net.Mail.dll

Zdroj:

SmtpException.cs

Získá stavový kód vrácený serverem SMTP při přenosu e-mailové zprávy.

public:
 property System::Net::Mail::SmtpStatusCode StatusCode { System::Net::Mail::SmtpStatusCode get(); void set(System::Net::Mail::SmtpStatusCode value); };

public System.Net.Mail.SmtpStatusCode StatusCode { get; set; }

member this.StatusCode : System.Net.Mail.SmtpStatusCode with get, set

Public Property StatusCode As SmtpStatusCode

Hodnota vlastnosti

SmtpStatusCode

Hodnota SmtpStatusCode označující chybu, ke které došlo.

Příklady

Následující příklad kódu zobrazí hodnotu této vlastnosti.

public static void RetryIfBusy(string server)
{
    MailAddress from = new MailAddress("ben@contoso.com");
    MailAddress to = new MailAddress("jane@contoso.com");
    MailMessage message = new MailMessage(from, to);
    // message.Subject = "Using the SmtpClient class.";
    message.Subject = "Using the SmtpClient class.";
    message.Body = @"Using this feature, you can send an email message from an application very easily.";
    // Add a carbon copy recipient.
    MailAddress copy = new MailAddress("Notifications@contoso.com");
    message.CC.Add(copy);
    SmtpClient client = new SmtpClient(server);
    // Include credentials if the server requires them.
    client.Credentials = (ICredentialsByHost)CredentialCache.DefaultNetworkCredentials;
    Console.WriteLine("Sending an email message to {0} using the SMTP host {1}.",
         to.Address, client.Host);
    try
    {
        client.Send(message);
    }
    catch (SmtpFailedRecipientsException ex)
    {
        for (int i = 0; i < ex.InnerExceptions.Length; i++)
        {
            SmtpStatusCode status = ex.InnerExceptions[i].StatusCode;
            if (status == SmtpStatusCode.MailboxBusy ||
                status == SmtpStatusCode.MailboxUnavailable)
            {
                Console.WriteLine("Delivery failed - retrying in 5 seconds.");
                System.Threading.Thread.Sleep(5000);
                client.Send(message);
            }
            else
            {
                Console.WriteLine("Failed to deliver message to {0}",
                    ex.InnerExceptions[i].FailedRecipient);
            }
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine("Exception caught in RetryIfBusy(): {0}",
                ex.ToString());
    }
}