protected static MailboxSession GetCalendarMailboxSession(MeetingMessage meetingMessage)
{
if (!(meetingMessage.Session is MailboxSession))
{
throw new NotSupportedException();
}
MailboxSession mailboxSession = (MailboxSession)meetingMessage.Session;
if (meetingMessage.IsDelegated())
{
Participant valueOrDefault = meetingMessage.GetValueOrDefault <Participant>(InternalSchema.ReceivedRepresenting);
ExchangePrincipal principal = MeetingMessage.InternalGetExchangePrincipal(valueOrDefault, mailboxSession);
mailboxSession = mailboxSession.InternalGetDelegateSessionEntry(principal, OpenBy.Internal).MailboxSession;
}
return(mailboxSession);
}
