AppointmentUnsendableRecipients

KnownPropertyList.AppointmentUnsendableRecipients field

包含无法发送的与会者列表。 区域:Meetings 规范名称:PidLidAppointmentUnsendableRecipients 别名:dispidApptUnsendableRecips

public static readonly PidLidPropertyDescriptor AppointmentUnsendableRecipients;

也可以看看