protected override IAsyncResult BeginExecute(AsyncCodeActivityContext context, AsyncCallback callback, object state)
{
MailMessage message = new MailMessage();
message.From = this.From.Get(context);
if (TestMailTo.Expression == null)
{
foreach (MailAddress address in this.To.Get(context))
{
message.To.Add(address);
}
MailAddressCollection ccList = this.CC.Get(context);
if (ccList != null)
{
foreach (MailAddress address in ccList)
{
message.CC.Add(address);
}
}
MailAddressCollection bccList = this.Bcc.Get(context);
if (bccList != null)
{
foreach (MailAddress address in bccList)
{
message.Bcc.Add(address);
}
}
}
else
{
message.To.Add(TestMailTo.Get(context));
}
Collection <Attachment> attachments = this.Attachments.Get(context);
if (attachments != null)
{
foreach (Attachment attachment in attachments)
{
message.Attachments.Add(attachment);
}
}
if (!string.IsNullOrEmpty(this.BodyTemplateFilePath))
{
LoadBodyTemplate(context);
}
if ((this.Tokens.Get(context) != null) && (this.Tokens.Get(context).Count > 0))
{
ReplaceTokensInBody(context);
}
if (this.TestMailTo.Expression != null)
{
AddTestInformationToBody(context);
}
message.Subject = this.Subject.Get(context);
message.Body = this.Body;
SmtpClient client = new SmtpClient();
client.Host = this.Host;
client.Port = this.Port;
client.EnableSsl = this.EnableSsl;
if (string.IsNullOrEmpty(this.UserName))
{
client.UseDefaultCredentials = true;
}
else
{
client.UseDefaultCredentials = false;
client.Credentials = new NetworkCredential(this.UserName, this.Password);
}
if (!string.IsNullOrEmpty(this.TestDropPath))
{
WriteMailInTestDropPath(context);
}
var SendEmailAsyncResult = new SendEmailAsyncResult(client, message, callback, state);
context.UserState = SendEmailAsyncResult;
return(SendEmailAsyncResult);
}
protected override void Cancel(AsyncCodeActivityContext context)
{
SendEmailAsyncResult SendEmailAsyncResult = (SendEmailAsyncResult)context.UserState;
SendEmailAsyncResult.Client.SendAsyncCancel();
}