EWS 管理：获取预约的必需和可选与会者
就我现在而言，我知道如何从交换服务器获取约会，但是一旦我想查看必填和可选的与会者，这些字段都是空的......我检查了约会三次，有一个与会者，除了我。我是否必须以不同的方式配置 Outlook 或者我是否遗漏了某些内容？
List<Appointment> listOfAppointments = new List<Appointment>();
CalendarFolder cfolder = CalendarFolder.Bind(MyService, WellKnownFolderName.Calendar);
CalendarView cview = new CalendarView(from.ToUniversalTime(), to.ToUniversalTime());
cview.PropertySet = new PropertySet(ItemSchema.Subject);
cview.PropertySet.Add(AppointmentSchema.Start);
cview.PropertySet.Add(AppointmentSchema.End);
cview.PropertySet.Add(AppointmentSchema.Location);
cview.PropertySet.Add(AppointmentSchema.ICalUid);
cview.PropertySet.Add(AppointmentSchema.Organizer);
cview.PropertySet.Add(AppointmentSchema.IsAllDayEvent);
cview.PropertySet.Add(AppointmentSchema.DateTimeCreated);
FindItemsResults<Appointment> result = cfolder.FindAppointments(cview);
这就是我获取约会的方式，正如我从异常、线索和错误中得出的那样，我不需要要求交换参加者......但也许我错过了一些东西。
As far as I am now, I know how to fetch appointments from exchange server, BUT as soon as I want to see the required and optional attendees, these fields are empty ... I checked the appointment trice and there is an attendee, except me. Do I have to config Outlook differently or do I miss something?
List<Appointment> listOfAppointments = new List<Appointment>();
CalendarFolder cfolder = CalendarFolder.Bind(MyService, WellKnownFolderName.Calendar);
CalendarView cview = new CalendarView(from.ToUniversalTime(), to.ToUniversalTime());
cview.PropertySet = new PropertySet(ItemSchema.Subject);
cview.PropertySet.Add(AppointmentSchema.Start);
cview.PropertySet.Add(AppointmentSchema.End);
cview.PropertySet.Add(AppointmentSchema.Location);
cview.PropertySet.Add(AppointmentSchema.ICalUid);
cview.PropertySet.Add(AppointmentSchema.Organizer);
cview.PropertySet.Add(AppointmentSchema.IsAllDayEvent);
cview.PropertySet.Add(AppointmentSchema.DateTimeCreated);
FindItemsResults<Appointment> result = cfolder.FindAppointments(cview);
thats how I fetch the appointments, as I figured from exceptions and trail and error, I don't need to ask exchange for attendees... but maybe I am missing something.
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FindAppointments 操作不会返回会议的与会者。相反，指定 PropertySet.IdOnly 的属性集以仅获取项目的 id。然后，使用 ExchangeService.LoadPropertiesForItems 执行所需属性的批量加载。
The FindAppointments operation do not return the attendees of meetings. Instead, specify a propertyset of PropertySet.IdOnly to get only the ids of the items. Then, use the ExchangeService.LoadPropertiesForItems to perform a batch load of the properties you need.