private async void ButtonSend_Click(object sender, RoutedEventArgs e)
{
string errorDescription = string.Empty;
try
{
await _doOauthAsync();
TextStatus.Text = "Oauth is completed, ready to send email.";
}
catch (Exception ep)
{
errorDescription = string.Format("Failed to do oauth, exception: {0}", ep.Message);
}
if (!string.IsNullOrWhiteSpace(errorDescription))
{
await new MessageDialog(errorDescription).ShowAsync();
TextStatus.Text = errorDescription;
return;
}
if (string.IsNullOrWhiteSpace(TextTo.Text) && string.IsNullOrWhiteSpace(TextCc.Text))
{
MessageDialog dlg = new MessageDialog("Please input a recipient at least!");
await dlg.ShowAsync();
TextTo.Text = ""; TextCc.Text = "";
TextTo.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
if (string.IsNullOrWhiteSpace(TextServer.Text))
{
MessageDialog dlg = new MessageDialog("Please input server address!");
await dlg.ShowAsync();
TextServer.Text = "";
TextServer.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
ButtonSend.IsEnabled = false;
ProgressBarSending.Value = 0;
ProgressBarSending.Visibility = Visibility.Visible;
PageViewer.ChangeView(0, PageViewer.ScrollableHeight, 1);
this.Focus(FocusState.Programmatic);
try
{
await _sendEmailAsync();
}
catch (Exception ep)
{
errorDescription = string.Format("Failed to do oauth, exception: {0}", ep.Message);
}
if (!string.IsNullOrWhiteSpace(errorDescription))
{
await new MessageDialog(errorDescription).ShowAsync();
TextStatus.Text = errorDescription;
}
ProgressBarSending.Visibility = Visibility.Collapsed;
_asyncCancel = null;
ButtonSend.IsEnabled = true;
ButtonCancel.IsEnabled = false;
ButtonClear.IsEnabled = true;
}
private async void ButtonSend_Click(object sender, RoutedEventArgs e)
{
if (TextFrom.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input from address!");
await dlg.ShowAsync();
TextFrom.Text = "";
TextFrom.Focus(FocusState.Programmatic);
return;
}
if (TextTo.Text.Trim().Length == 0 && TextCc.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input a recipient at least!");
await dlg.ShowAsync();
TextTo.Text = ""; TextCc.Text = "";
TextTo.Focus(FocusState.Programmatic);
return;
}
if (TextServer.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input server address!");
await dlg.ShowAsync();
TextServer.Text = "";
TextServer.Focus(FocusState.Programmatic);
return;
}
bool isAuthenticationRequired = CheckAuthentication.IsOn;
if (isAuthenticationRequired)
{
if (TextUser.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input user name!");
await dlg.ShowAsync();
TextUser.Text = "";
TextUser.Focus(FocusState.Programmatic);
return;
}
if (TextPassword.Password.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input password!");
await dlg.ShowAsync();
TextPassword.Password = "";
TextPassword.Focus(FocusState.Programmatic);
return;
}
}
ButtonSend.IsEnabled = false;
ProgressBarSending.Value = 0;
ProgressBarSending.Visibility = Visibility.Visible;
pageViewer.ChangeView(0, pageViewer.ScrollableHeight, 1);
this.Focus(FocusState.Programmatic);
try
{
var smtp = new SmtpClient();
// add event handler
smtp.Authorized += OnAuthorized;
smtp.Connected += OnConnected;
smtp.Securing += OnSecuring;
smtp.SendingDataStream += OnSendingDataStream;
var server = new SmtpServer(TextServer.Text);
int[] ports = { 25, 587, 465 };
server.Port = ports[ListPorts.SelectedIndex];
bool useSslConnection = CheckSsl.IsOn;
if (useSslConnection)
{
// use SSL/TLS based on server port
server.ConnectType = SmtpConnectType.ConnectSSLAuto;
}
else
{
// Most mordern SMTP servers require SSL/TLS connection now
// ConnectTryTLS means if server supports SSL/TLS connection, SSL/TLS is used automatically
server.ConnectType = SmtpConnectType.ConnectTryTLS;
}
server.Protocol = (ServerProtocol)ListProtocols.SelectedIndex;
if (isAuthenticationRequired)
{
server.User = TextUser.Text;
server.Password = TextPassword.Password;
}
// For evaluation usage, please use "TryIt" as the license code, otherwise the
// "Invalid License Code" exception will be thrown. However, the trial object only can be used
// with developer license
// For licensed usage, please use your license code instead of "TryIt", then the object
// can used with published windows store application.
var mail = new SmtpMail("TryIt");
mail.From = new MailAddress(TextFrom.Text);
// If your Exchange Server is 2007 and used Exchange Web Service protocol, please add the following line;
// oMail.Headers.RemoveKey("From");
mail.To = new AddressCollection(TextTo.Text);
mail.Cc = new AddressCollection(TextCc.Text);
mail.Subject = TextSubject.Text;
if (!CheckHtml.IsOn)
{
mail.TextBody = TextEditor.Text;
}
else
{
string html = await HtmlEditor.InvokeScriptAsync("getHtml", null);
html = "<html><head><meta charset=\"utf-8\" /></head><body style=\"font-family:Calibri;font-size: 15px;\">" + html + "<body></html>";
await mail.ImportHtmlAsync(html,
Windows.ApplicationModel.Package.Current.InstalledLocation.Path,
ImportHtmlBodyOptions.ErrorThrowException | ImportHtmlBodyOptions.ImportLocalPictures
| ImportHtmlBodyOptions.ImportHttpPictures | ImportHtmlBodyOptions.ImportCss);
}
int count = _attachments.Count;
for (int i = 0; i < count; i++)
{
await mail.AddAttachmentAsync(_attachments[i]);
}
ButtonCancel.IsEnabled = true;
TextStatus.Text = string.Format("Connecting {0} ...", server.Server);
// You can genereate a log file by the following code.
// smtp.LogFileName = "ms-appdata:///local/smtp.txt";
_asyncCall = smtp.SendMailAsync(server, mail);
await _asyncCall;
TextStatus.Text = "Completed";
}
catch (Exception ep)
{
TextStatus.Text = "Error: " + ep.Message.TrimEnd("\r\n".ToArray());
}
ProgressBarSending.Visibility = Visibility.Collapsed;
_asyncCall = null;
ButtonSend.IsEnabled = true;
ButtonCancel.IsEnabled = false;
}
private async void ButtonSend_Click(object sender, RoutedEventArgs e)
{
_total = 0; _success = 0; _failed = 0;
if (TextFrom.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input from address!");
await dlg.ShowAsync();
TextFrom.Text = "";
TextFrom.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
if (TextTo.Text.Trim("\r\n \t".ToCharArray()).Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input a recipient at least!");
await dlg.ShowAsync();
TextTo.Text = "";
TextTo.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
if (TextServer.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input server address!");
await dlg.ShowAsync();
TextServer.Text = "";
TextServer.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
bool isUserAuthencation = CheckAuthentication.IsOn;
if (isUserAuthencation)
{
if (TextUser.Text.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input user name!");
await dlg.ShowAsync();
TextUser.Text = "";
TextUser.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
if (TextPassword.Password.Trim().Length == 0)
{
MessageDialog dlg = new MessageDialog("Please input password!");
await dlg.ShowAsync();
TextPassword.Password = "";
TextPassword.Focus(Windows.UI.Xaml.FocusState.Programmatic);
return;
}
}
ButtonSend.IsEnabled = false;
ButtonSend.Visibility = Visibility.Collapsed;
ButtonCancel.Visibility = Visibility.Visible;
ButtonCancel.IsEnabled = true;
ButtonClose.Visibility = Visibility.Collapsed;
ButtonClose.IsEnabled = false;
ButtonAttach.Visibility = Visibility.Collapsed;
ListRecipients.Items.Clear();
PageViewer.Visibility = Visibility.Collapsed;
StatusViewer.Visibility = Visibility.Visible;
_cancellationToken = new CancellationTokenSource();
List <Task> tasks = new List <Task>();
string[] toLines = TextTo.Text.Trim("\r\n \t".ToCharArray()).Split("\n".ToCharArray());
List <string> recipients = new List <string>();
for (int i = 0; i < toLines.Length; i++)
{
string address = toLines[i].Trim("\r\n \t".ToCharArray());
if (address.Length > 0)
{
recipients.Add(address);
}
}
int n = recipients.Count;
toLines = recipients.ToArray();
_total = n;
TextStatus.Text = string.Format("Total {0}, success: {1}, failed {2}",
_total, _success, _failed);
ButtonCancel.IsEnabled = true;
n = 0;
ListRecipients.Items.Add(new RecipientData("Email", "Status", 0));
n++;
for (int i = 0; i < toLines.Length; i++)
{
int maxThreads = (int)WorkerThreads.Value;
while (tasks.Count >= maxThreads)
{
Task[] currentTasks = tasks.ToArray();
Task taskFinished = await Task.WhenAny(currentTasks);
tasks.Remove(taskFinished);
TextStatus.Text = string.Format(
"Total {0}, success: {1}, failed {2}",
_total, _success, _failed
);
}
string addr = toLines[i];
int index = n;
ListRecipients.Items.Add(new RecipientData(addr, "Queued", n));
if (_cancellationToken.Token.IsCancellationRequested)
{
n++;
UpdateRecipientItem(index, "Operation was cancelled!");
continue;
}
SmtpServer server = new SmtpServer(TextServer.Text);
int[] ports = new int[] { 25, 587, 465 };
server.Port = ports[ListPorts.SelectedIndex];
bool isSslConnection = CheckSsl.IsOn;
if (isSslConnection)
{
// use SSL/TLS based on server port
server.ConnectType = SmtpConnectType.ConnectSSLAuto;
}
else
{
// Most mordern SMTP servers require SSL/TLS connection now
// ConnectTryTLS means if server supports SSL/TLS connection, SSL/TLS is used automatically
server.ConnectType = SmtpConnectType.ConnectTryTLS;
}
server.Protocol = (ServerProtocol)ListProtocols.SelectedIndex;
if (isUserAuthencation)
{
server.User = TextUser.Text;
server.Password = TextPassword.Password;
}
// For evaluation usage, please use "TryIt" as the license code, otherwise the
// "Invalid License Code" exception will be thrown. However, the trial object only can be used
// with developer license
// For licensed usage, please use your license code instead of "TryIt", then the object
// can used with published windows store application.
SmtpMail mail = new SmtpMail("TryIt");
mail.From = new MailAddress(TextFrom.Text);
// If your Exchange Server is 2007 and used Exchange Web Service protocol, please add the following line;
// oMail.Headers.RemoveKey("From");
mail.To = new AddressCollection(addr);
mail.Subject = TextSubject.Text;
string bodyText = "";
bool htmlBody = false;
if (CheckHtml.IsOn)
{
bodyText = await HtmlEditor.InvokeScriptAsync("getHtml", null);
htmlBody = true;
}
else
{
bodyText = TextEditor.Text;
}
int count = _attachments.Count;
string[] attachments = new string[count];
for (int x = 0; x < count; x++)
{
attachments[x] = _attachments[x];
}
Task task = Task.Factory.StartNew(() =>
SubmitMail(server, mail, attachments, bodyText, htmlBody, index).Wait()
);
tasks.Add(task);
n++;
}
if (tasks.Count > 0)
{
await Task.WhenAll(tasks.ToArray());
}
TextStatus.Text = string.Format("Total {0}, success: {1}, failed {2}",
_total, _success, _failed);
ButtonSend.IsEnabled = false;
ButtonSend.Visibility = Visibility.Collapsed;
ButtonCancel.Visibility = Visibility.Collapsed;
ButtonCancel.IsEnabled = false;
ButtonClose.Visibility = Visibility.Visible;
ButtonClose.IsEnabled = true;
ButtonAttach.Visibility = Visibility.Collapsed;
}
