public Attendee Add(Participant participant, AttendeeType attendeeType = AttendeeType.Required, ResponseType?responseType = null, ExDateTime?replyTime = null, bool checkExisting = false)
{
return(AttendeeCollection.InternalAdd(this, delegate
{
int num;
Attendee attendee = OccurrenceAttendeeCollection.FindAttendee(this.exceptionAttendeeCollection, participant, this.occurrence.Session as MailboxSession, out num);
if (attendee != null && attendee.HasFlags(RecipientFlags.ExceptionalDeleted))
{
attendee.RecipientFlags &= ~RecipientFlags.ExceptionalDeleted;
this.exceptionAttendeeCollection.Remove(attendee);
this.exceptionAttendeeCollection.LocationIdentifierHelperInstance.SetLocationIdentifier(46965U);
attendee = this.exceptionAttendeeCollection.AddClone(attendee);
attendee.AttendeeType = attendeeType;
if (responseType != null)
{
attendee.ResponseType = responseType.Value;
}
if (replyTime != null)
{
attendee.ReplyTime = replyTime.Value;
}
}
else
{
attendee = this.exceptionAttendeeCollection.Add(participant, attendeeType, responseType, replyTime, checkExisting);
}
this.attendeeCollection.Add(attendee);
return attendee;
}, participant, attendeeType, responseType, checkExisting));
}
public void RemoveAt(int index)
{
Attendee match = this.attendeeCollection[index];
this.attendeeCollection.RemoveAt(index);
MailboxSession session = this.occurrence.Session as MailboxSession;
int num;
Attendee attendee = OccurrenceAttendeeCollection.FindAttendee(this.masterAttendeeCollection, match, session, out num);
int index2;
Attendee attendee2 = OccurrenceAttendeeCollection.FindAttendee(this.exceptionAttendeeCollection, match, session, out index2);
if (attendee == null && attendee2 != null)
{
this.exceptionAttendeeCollection.LocationIdentifierHelperInstance.SetLocationIdentifier(50677U);
this.exceptionAttendeeCollection.RemoveAt(index2);
}
else if (attendee != null)
{
if (attendee2 == null)
{
this.exceptionAttendeeCollection.LocationIdentifierHelperInstance.SetLocationIdentifier(47605U);
attendee2 = this.exceptionAttendeeCollection.AddClone(attendee);
}
attendee2.RecipientFlags |= RecipientFlags.ExceptionalDeleted;
}
if (index < this.masterAttendeeCount)
{
this.masterAttendeeCount--;
}
}
private void AddExceptionalAttendee(Attendee attendee)
{
int num;
Attendee attendee2 = OccurrenceAttendeeCollection.FindAttendee(this.attendeeCollection, attendee, this.occurrence.Session as MailboxSession, out num);
if (attendee2 != null && num < this.masterAttendeeCount)
{
this.attendeeCollection.RemoveAt(num);
}
this.attendeeCollection.Add(attendee);
}
