SmtpStatusCode Výčet

Definice

public enum class SmtpStatusCode

public enum SmtpStatusCode

type SmtpStatusCode = 

Public Enum SmtpStatusCode

Dědičnost

Object

ValueType

Enum

SmtpStatusCode

Pole

Příklady

Následující příklad kódu zobrazí chybovou zprávu do konzoly, když SmtpException je vyvolán.

static void CreateMessageWithAttachment3( String^ server, String^ to )
{
   
   // Specify the file to be attached and sent.
   // This example assumes that a file named data.xls exists in the
   // current working directory.
   String^ file = L"data.xls";
   
   // Create a message and set up the recipients.
   MailMessage^ message = gcnew MailMessage( L"ReportMailer@contoso.com",to,L"Quarterly data report",L"See the attached spreadsheet." );
   
   // Create  the file attachment for this email message.
   Attachment^ data = gcnew Attachment("Qtr3.xls");
   
   
   // Add time stamp information for the file.
   ContentDisposition^ disposition = data->ContentDisposition;
   disposition->CreationDate = System::IO::File::GetCreationTime( file );
   disposition->ModificationDate = System::IO::File::GetLastWriteTime( file );
   disposition->ReadDate = System::IO::File::GetLastAccessTime( file );
   
   // Add the file attachment to this email message.
   message->Attachments->Add( data );
   
   //Send the message.
   SmtpClient^ client = gcnew SmtpClient( server );
   
   // Add credentials if the SMTP server requires them.
   client->Credentials = dynamic_cast<ICredentialsByHost^>(CredentialCache::DefaultNetworkCredentials);
   
   // Notify user if an error occurs.
   try
   {
      client->Send( message );
   }
   catch ( SmtpException^ e ) 
   {
      Console::WriteLine( L"Error: {0}", e->StatusCode );
   }
   finally
   {
      data->~Attachment();
      client->~SmtpClient();
   }

}

public static void CreateMessageWithAttachment3(string server, string to)
{
    // Specify the file to be attached and sent.
    // This example assumes that a file named Data.xls exists in the
    // current working directory.
    string file = "data.xls";
    // Create a message and set up the recipients.
    MailMessage message = new MailMessage(
       "ReportMailer@contoso.com",
       to,
       "Quarterly data report",
       "See the attached spreadsheet.");

    // Create  the file attachment for this email message.
    Attachment data = new Attachment("Qtr3.xls");
    // Add time stamp information for the file.
    ContentDisposition disposition = data.ContentDisposition;
    disposition.CreationDate = System.IO.File.GetCreationTime(file);
    disposition.ModificationDate = System.IO.File.GetLastWriteTime(file);
    disposition.ReadDate = System.IO.File.GetLastAccessTime(file);
    // Add the file attachment to this email message.
    message.Attachments.Add(data);
    //Send the message.
    SmtpClient client = new SmtpClient(server);
    // Add credentials if the SMTP server requires them.
    client.Credentials = (ICredentialsByHost)CredentialCache.DefaultNetworkCredentials;
    // Notify user if an error occurs.
    try
    {
        client.Send(message);
    }
    catch (SmtpException e)
    {
        Console.WriteLine("Error: {0}", e.StatusCode);
    }
    finally
    {
        data.Dispose();
    }
}

Poznámky

Hodnoty ve výčtu SmtpStatusCode určují hodnoty stavu odpovědi odeslané serverem SMTP (Simple Mail Transfer Protocol). Třídy SmtpException a SmtpFailedRecipientsException obsahují StatusCode vlastnosti, které vracejí SmtpStatusCode hodnoty.

Protokol SMTP je definován v dokumentu RFC 2821, který je k dispozici na adrese https://www.ietf.org.

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