MailMessage.Attachments MailMessage.Attachments MailMessage.Attachments MailMessage.Attachments Property

Definition

Ruft die Anlagenauflistung ab, die zum Speichern der an diese E-Mail angefügten Daten verwendet wird.Gets the attachment collection used to store data attached to this email message.

public:
 property System::Net::Mail::AttachmentCollection ^ Attachments { System::Net::Mail::AttachmentCollection ^ get(); };
public System.Net.Mail.AttachmentCollection Attachments { get; }
member this.Attachments : System.Net.Mail.AttachmentCollection
Public ReadOnly Property Attachments As AttachmentCollection

Eigenschaftswert

Beispiele

Im folgenden Codebeispiel wird das Erstellen und Senden einer e-Mail-Nachricht mit einer Anlage veranschaulicht.The following code example demonstrates creating and sending an email message with an attachment.

static void CreateMessageWithAttachment( String^ server )
{
   
   // 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"jane@contoso.com",L"ben@contoso.com",L"Quarterly data report.",L"See the attached spreadsheet." );
   
   // Create  the file attachment for this email message.
   Attachment^ data = gcnew Attachment(file, MediaTypeNames::Application::Octet);
   
   // 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 = CredentialCache::DefaultNetworkCredentials;
   client->Send( message );
   
   // Display the values in the ContentDisposition for the attachment.
   ContentDisposition^ cd = data->ContentDisposition;
   Console::WriteLine( L"Content disposition" );
   Console::WriteLine( cd );
   Console::WriteLine( L"File {0}", cd->FileName );
   Console::WriteLine( L"Size {0}", cd->Size );
   Console::WriteLine( L"Creation {0}", cd->CreationDate );
   Console::WriteLine( L"Modification {0}", cd->ModificationDate );
   Console::WriteLine( L"Read {0}", cd->ReadDate );
   Console::WriteLine( L"Inline {0}", cd->Inline );
   Console::WriteLine( L"Parameters: {0}", cd->Parameters->Count );
   IEnumerator^ myEnum1 = cd->Parameters->GetEnumerator();
   while ( myEnum1->MoveNext() )
   {
      DictionaryEntry^ d = safe_cast<DictionaryEntry^>(myEnum1->Current);
      Console::WriteLine( L"{0} = {1}", d->Key, d->Value );
   }

   data->~Attachment();
   client->~SmtpClient();
}


public static void CreateMessageWithAttachment(string server)
{
	// 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(
	   "jane@contoso.com",
	   "ben@contoso.com",
	   "Quarterly data report.",
	   "See the attached spreadsheet.");

	// Create  the file attachment for this email message.
	Attachment data = new Attachment(file, MediaTypeNames.Application.Octet);
	// 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 = CredentialCache.DefaultNetworkCredentials;

    try {
	  client.Send(message);
	}
	catch (Exception ex) {
	  Console.WriteLine("Exception caught in CreateMessageWithAttachment(): {0}", 
                  ex.ToString() );			  
	}
	// Display the values in the ContentDisposition for the attachment.
	ContentDisposition cd = data.ContentDisposition;
	Console.WriteLine("Content disposition");
	Console.WriteLine(cd.ToString());
	Console.WriteLine("File {0}", cd.FileName);
	Console.WriteLine("Size {0}", cd.Size);
	Console.WriteLine("Creation {0}", cd.CreationDate);
	Console.WriteLine("Modification {0}", cd.ModificationDate);
	Console.WriteLine("Read {0}", cd.ReadDate);
	Console.WriteLine("Inline {0}", cd.Inline);
	Console.WriteLine("Parameters: {0}", cd.Parameters.Count);
	foreach (DictionaryEntry d in cd.Parameters)
	{
		Console.WriteLine("{0} = {1}", d.Key, d.Value);
	}
	data.Dispose();
}

Hinweise

Verwenden Sie die-Auflistung, Attachments die von der-Eigenschaft zurückgegeben wird, um diesem MailMessageeine Anlage hinzuzufügen Stream, z. b. eine Datei oder den Inhalt eines.Use the collection returned by the Attachments property to add an attachment, such as a file or the contents of a Stream, to this MailMessage.

Erstellen Sie Attachment einen, der die anzufügenden Daten enthält oder darauf verweist, und Attachment fügen Sie dann der Auflistung Attachmentshinzu, die von zurückgegeben wird.Create an Attachment that contains or references the data to be attached, and then add the Attachment to the collection returned by Attachments.

Gilt für: