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iCalendar API


looking to purchase but what I want I’m not sure is possible. We are a
University that uses Microsoft Exchange and I would like to send an email to
internal folks that has a list of upcoming events. Each event would have
a HTML button that if clicked an event it is added to their calendar. I’m
not looking for a download of the iCal file that they have to open and click
and save but a more programmatic approach. Is this possible?



Hi William,

Thank you for contacting Aspose support team.

Appointment requests can be sent where user at receiving end can accept/reject it along with the option to add the appointment to the calendar. However, I am afraid that no option is available where html button is there to add events to calendar by clicking it. You may please review following sample code and see if it fulfills your requirements.

// Create instance of IEWSClient class
by giving credentials

IEWSClient client = EWSClient.GetEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");

// Create the meeting request

Appointment app = new Appointment("meeting request", DateTime.Now.AddHours(1), DateTime.Now.AddHours(1.5), "administrator@test.com", "bob@test.com");

app.Summary = "meeting request summary";

app.Description = "description";

RecurrencePattern pattern = new Aspose.Email.Calendar.Recurrences.DailyRecurrencePattern(DateTime.Now.AddDays(5));

app.Recurrence = pattern;

// Create the message and set the meeting request

MailMessage msg = new MailMessage();

msg.From = "administrator@test.com";

msg.To = "bob@test.com";

msg.IsBodyHtml = true;

msg.HtmlBody = "

HTML Heading

Email Message detail


msg.Subject = "meeting request";


// send the appointment


Console.WriteLine("Appointment request sent");