ContentDisposition Class

		public static void CreateMessageInlineAttachment(string server, string
		textMessage)
		{
			// Create a message and set up the recipients.
			MailMessage message = new MailMessage(
			   "jane@contoso.com",
			   "ben@contoso.com",
			   "An inline text message for you.",
			   "Message: ");

			// Attach the message string to this e-mail message.
			Attachment data = new Attachment(textMessage, MediaTypeNames.Text.Plain);
			// Send textMessage as part of the e-mail body.
			message.Attachments.Add(data);
			ContentDisposition disposition = data.ContentDisposition;
			disposition.Inline = true;
			//Send the message.
			// Include credentials if the server requires them.
			SmtpClient client = new SmtpClient(server);
			client.Credentials = CredentialCache.DefaultNetworkCredentials;

	    try {
        client.Send(message);
      }
      catch (Exception ex) {
        Console.WriteLine("Exception caught in CreateMessageInlineAttachment: {0}", 
                    ex.ToString() );
      }
			data.Dispose();
		}

public:
   static void CreateMessageInlineAttachment(String* server, String* 
   textMessage)
    {
        // Create a message and set up the recipients.
         MailMessage* message = new MailMessage(
            S"jane@contoso.com", 
            S"ben@contoso.com",
            S"An inline text message for you.", 
            S"Message: ");

        // Attach the message string to this e-mail message.
        Attachment* data = new Attachment(textMessage, MediaTypeNames::Text::Plain);
        // Send textMessage as part of the e-mail body.
        message->Attachments->Add(data);
        ContentDisposition* disposition = data->ContentDisposition;
        disposition->Inline = true;
        //Send the message.
        // Include credentials if the server requires them.
        SmtpClient* client = new SmtpClient(server);
        client->Credentials = CredentialCache::DefaultNetworkCredentials;
        client->Send(message);
        data->Dispose();
        client->Dispose();
    }