private bool IsOrganizerValid(MailboxSession organizerSession, CalendarInstanceContext instanceContext)
{
bool isOrganizer = false;
CalendarVersionStoreGateway cvsGateway = instanceContext.ValidationContext.CvsGateway;
cvsGateway.QueryByGlobalObjectId(organizerSession, instanceContext.ValidationContext.BaseItem.GlobalObjectId, string.Empty, new StorePropertyDefinition[]
{
StoreObjectSchema.ItemClass,
CalendarItemBaseSchema.AppointmentState
}, delegate(PropertyBag propertyBag)
{
string valueOrDefault = propertyBag.GetValueOrDefault <string>(StoreObjectSchema.ItemClass);
if (ObjectClass.IsCalendarItemCalendarItemOccurrenceOrRecurrenceException(valueOrDefault))
{
AppointmentStateFlags valueOrDefault2 = propertyBag.GetValueOrDefault <AppointmentStateFlags>(CalendarItemBaseSchema.AppointmentState);
isOrganizer = ((valueOrDefault2 & AppointmentStateFlags.Received) == AppointmentStateFlags.None);
if (!isOrganizer)
{
return(false);
}
}
return(true);
}, false, null, null, null);
return(isOrganizer);
}
private static bool PairWithCancellation(CalendarVersionStoreGateway cvsGateway, CalendarItemBase deletedVersion, MailboxSession session)
{
bool pairedWithCancellation = false;
int deletedItemSequenceNumber = deletedVersion.AppointmentSequenceNumber;
cvsGateway.QueryByGlobalObjectId(session, deletedVersion.GlobalObjectId, "{B7DF6DD0-6F29-42b4-A1AE-44A0733782AA}", MeetingInquiryMessage.cancellationQueryProperties, delegate(PropertyBag propertyBag)
{
int valueOrDefault = propertyBag.GetValueOrDefault <int>(CalendarItemBaseSchema.AppointmentSequenceNumber);
if (valueOrDefault >= deletedItemSequenceNumber)
{
pairedWithCancellation = true;
}
return(false);
}, true, MeetingInquiryMessage.cancellationClassArray, null, null);
return(pairedWithCancellation);
}
