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How to: Specify Different Recipient Types for an Appointment Item

This example shows how to use the OlMeetingRecipientType enumeration to specify different recipient types for an appointment item.

Programming Applications for Office Outlook 2007

The following code example is an excerpt from Programming Applications for Microsoft Office Outlook 2007, from Microsoft Press (ISBN 9780735622494, copyright Microsoft Press 2007, all rights reserved).

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To add recipients to an AppointmentItem object that represents a meeting request, use the OlMeetingRecipientType enumeration to specify whether the recipient of the message is a required or optional attendee, or a resource (such as a room or equipment).

In the following code example, SetRecipientTypeForAppt creates an AppointmentItem object, sets properties for that object, and adds required and optional attendees. It also adds a conference room for the meeting. Note that the MeetingStatus property is set to olMeeting, indicating that the appointment is a meeting request.

If you use Microsoft Visual Studio to test this code example, you must first add a reference to the Microsoft Outlook 14.0 Object Library component and specify the Outlook variable when you import the Microsoft.Office.Interop.Outlook namespace. The using statement must not occur directly before the functions in the code example but must be added before the public Class declaration. The following line of code shows how to do the import and assignment in C#.

using Outlook = Microsoft.Office.Interop.Outlook;
private void SetRecipientTypeForAppt()
{
    Outlook.AppointmentItem appt =
        Application.CreateItem(
        Outlook.OlItemType.olAppointmentItem)
        as Outlook.AppointmentItem;
    appt.Subject = "Customer Review";
    appt.MeetingStatus = Outlook.OlMeetingStatus.olMeeting;
    appt.Location = "36/2021";
    appt.Start = DateTime.Parse("10/20/2006 10:00 AM");
    appt.End = DateTime.Parse("10/20/2006 11:00 AM");
    Outlook.Recipient recipRequired =
        appt.Recipients.Add("Ryan Gregg");
    recipRequired.Type =
        (int)Outlook.OlMeetingRecipientType.olRequired;
    Outlook.Recipient recipOptional =
        appt.Recipients.Add("Peter Allenspach");
    recipOptional.Type =
        (int)Outlook.OlMeetingRecipientType.olOptional;
    Outlook.Recipient recipConf =
        appt.Recipients.Add("Conf Room 36/2021 (14) AV");
    recipConf.Type =
        (int)Outlook.OlMeetingRecipientType.olResource;
    appt.Recipients.ResolveAll();
    appt.Display(false);
}

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