Update outlook meeting

Question

How to Update outlook meeting through c#.net.

Jignesh Kumar · Answer

Hi Neha, Try below link, https://stackoverflow.com/questions/275759/update-an-event-in-outlook-2007-with-an-icalendar-file

Madan Shekar · Answer

more infohttps://docs.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-update-appointments-and-meetings-by-using-ews-in-exchange

Madan Shekar · Answer

private void ThisAddIn_Startup(object sender, System.EventArgs e) { Outlook.AppointmentItem agendaMeeting = (Outlook.AppointmentItem) this.Application.CreateItem(Microsoft.Office.Interop.Outlook.OlItemType. olAppointmentItem); if (agendaMeeting != null) { agendaMeeting.MeetingStatus = Microsoft.Office.Interop.Outlook.OlMeetingStatus.olMeeting; agendaMeeting.Location = "Conference Room"; agendaMeeting.Subject = "Discussing the Agenda"; agendaMeeting.Body = "Let's discuss the agenda."; agendaMeeting.Start = new DateTime(2005, 5, 5, 5, 0, 0); agendaMeeting.Duration = 60; Outlook.Recipient recipient = agendaMeeting.Recipients.Add("Nate Sun"); recipient.Type = (int)Outlook.OlMeetingRecipientType.olRequired; ((Outlook._AppointmentItem)agendaMeeting).Send(); } } // add private void AddAppointment() { try { Outlook.AppointmentItem newAppointment = (Outlook.AppointmentItem) this.Application.CreateItem(Outlook.OlItemType.olAppointmentItem); newAppointment.Start = DateTime.Now.AddHours(2); newAppointment.End = DateTime.Now.AddHours(3); newAppointment.Location = "ConferenceRoom #2345"; newAppointment.Body = "We will discuss progress on the group project."; newAppointment.AllDayEvent = false; newAppointment.Subject = "Group Project"; newAppointment.Recipients.Add("Roger Harui"); Outlook.Recipients sentTo = newAppointment.Recipients; Outlook.Recipient sentInvite = null; sentInvite = sentTo.Add("Holly Holt"); sentInvite.Type = (int)Outlook.OlMeetingRecipientType .olRequired; sentInvite = sentTo.Add("David Junca "); sentInvite.Type = (int)Outlook.OlMeetingRecipientType .olOptional; sentTo.ResolveAll(); newAppointment.Save(); newAppointment.Display(true); } catch (Exception ex) { MessageBox.Show("The following error occurred: " + ex.Message); } }