Attachment Constructor (Stream, String, String) (System.Net.Mail)

' The following example sends a summary of a log file as the message
' and the log as an e-mail attachment.
Public Shared Sub SendNamedAndTypedErrorLog(ByVal server As String, ByVal recipientList As String)
    ' Create a message from logMailer@contoso.com to recipientList.
    Dim message As New MailMessage("logMailer@contoso.com", recipientList)

    message.Subject = "Error Log report"
    Dim fileName As String = "log.txt"
    ' Get the file stream for the error log.
    ' Requires the System.IO namespace.
    Dim fs As New FileStream(fileName, FileMode.Open, FileAccess.Read)
    Dim s As New StreamReader(fs)
    Dim errors As Integer = 0
    Do While s.ReadLine() IsNot Nothing
        ' Process each line from the log file here.
        errors += 1
    Loop
    ' The e-mail message summarizes the data found in the log.
    message.Body = String.Format("{0} errors in log as of {1}", errors, Date.Now)
    ' Close the stream reader. This also closes the file.
    s.Close()
    ' Re-open the file at the beginning to make the attachment.
    fs = New FileStream(fileName, FileMode.Open, FileAccess.Read)
    ' Create a name for the log data file.
    Dim name As String = "log" & Date.Now.ToString() & ".txt"
    ' Create the attachment, name it, and specify the MIME type.
    Dim data As New Attachment(fs, name, MediaTypeNames.Text.Plain)
    ' Add the attachment to the message.
    message.Attachments.Add(data)
    ' Send the message.
    ' Include credentials if the server requires them.
    Dim client As New SmtpClient(server)
    client.Credentials = CredentialCache.DefaultNetworkCredentials

    Try
        client.Send(message)
    Catch ex As Exception
        Console.WriteLine("Exception caught in SendNamedAndTypedErrorLog: {0}", ex.ToString())
    End Try
    data.Dispose()
    ' Close the log file.
    fs.Close()
End Sub

		// The following example sends a summary of a log file as the message
		// and the log as an e-mail attachment.
		public static void SendNamedAndTypedErrorLog(string server, string recipientList)
		{
			// Create a message from logMailer@contoso.com to recipientList.
			MailMessage message = new MailMessage(
			   "logMailer@contoso.com", recipientList);

			message.Subject = "Error Log report";
			string fileName = "log.txt";
			// Get the file stream for the error log.
			// Requires the System.IO namespace.
			FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
			StreamReader s = new StreamReader(fs);
			int errors = 0;
			while (s.ReadLine() != null)
			{
				// Process each line from the log file here.
				errors++;
			}
			// The e-mail message summarizes the data found in the log.
			message.Body = String.Format("{0} errors in log as of {1}",
				errors, DateTime.Now);
			// Close the stream reader. This also closes the file.
			s.Close();
			// Re-open the file at the beginning to make the attachment.
			fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
			// Create a name for the log data file.
			string name = "log" + DateTime.Now.ToString() + ".txt";
			// Create the attachment, name it, and specify the MIME type.
			Attachment data = new Attachment(fs, name, MediaTypeNames.Text.Plain);
			// Add the attachment to the message.
			message.Attachments.Add(data);
			// 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 SendNamedAndTypedErrorLog: {0}", 
                    ex.ToString() );
      }
			data.Dispose();
			// Close the log file.
			fs.Close();
		}

   // The following example sends a summary of a log file as the message
   // and the log as an e-mail attachment.
   static void SendNamedAndTypedErrorLog( String^ server, String^ recipientList )
   {

      // Create a message from logMailer@contoso.com to recipientList.
      MailMessage^ message = gcnew MailMessage( L"logMailer@contoso.com",recipientList );
      message->Subject = L"Error Log report";
      String^ fileName = L"log.txt";

      // Get the file stream for the error log.
      // Requires the System.IO namespace.
      FileStream^ fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );
      StreamReader^ s = gcnew StreamReader( fs );
      int errors = 0;
      while ( s->ReadLine() != nullptr )
      {

         // Process each line from the log file here.
         errors++;
      }

      message->Body = String::Format( L"{0} errors in log as of {1}", errors, DateTime::Now );

      // Close the stream reader. This also closes the file.
      s->Close();

      // Re-open the file at the beginning to make the attachment.
      fs = gcnew FileStream( fileName,FileMode::Open,FileAccess::Read );

      // Create a name for the log data file.
      String^ name = String::Format( L"log{0}.txt", DateTime::Now );

      // Create the attachment, name it, and specify the MIME type.
      Attachment^ data = gcnew Attachment( fs,name,MediaTypeNames::Text::Plain );

      // Add the attachment to the message.
      message->Attachments->Add( data );

      // Send the message.
      // Include credentials if the server requires them.
      SmtpClient^ client = gcnew SmtpClient( server );
      client->Credentials = CredentialCache::DefaultNetworkCredentials;
      client->Send( message );
      data->~Attachment();
      client->~SmtpClient();

      // Close the log file.
      fs->Close();
   }