System.Net.Mail.SendMailAsyncResult.SendMailFrom C# (CSharp) Method

        private void SendMailFrom()
        {
            IAsyncResult result = MailCommand.BeginSend(_connection, SmtpCommands.Mail, _from, _allowUnicode,
                s_sendMailFromCompleted, this);
            if (!result.CompletedSynchronously)
            {
                return;
            }

            MailCommand.EndSend(result);
            SendToCollection();
        }