private void ProcessChangeHighlights(CalendarItemBase calendarItem, long meetingRequestBodySize, long calendarItemBodySize)
{
int num = base.GetValueOrDefault <int>(InternalSchema.ChangeHighlight, -1);
if (calendarItem.IsNew && !(calendarItem is CalendarItemOccurrence))
{
num = 0;
base.LocationIdentifierHelperInstance.SetLocationIdentifier(47221U);
this[InternalSchema.ChangeHighlight] = num;
}
else
{
ChangeHighlightHelper changeHighlightHelper = MeetingRequest.CompareForChangeHighlightOnUpdatedItems(base.PropertyBag, meetingRequestBodySize, calendarItem.PropertyBag, calendarItemBodySize);
if (this.ShouldPreserveAttendeesChanges(calendarItem))
{
PreservablePropertyContext context = new PreservablePropertyContext(this, calendarItem, (ChangeHighlightProperties)num);
foreach (StorePropertyDefinition storePropertyDefinition in ChangeHighlightHelper.HighlightProperties)
{
if (changeHighlightHelper[storePropertyDefinition])
{
PreservableMeetingMessageProperty preservableMeetingMessageProperty = null;
if (PreservableMeetingMessageProperty.InstanceFromPropertyDefinition.TryGetValue(storePropertyDefinition, out preservableMeetingMessageProperty))
{
changeHighlightHelper[storePropertyDefinition] = !preservableMeetingMessageProperty.ShouldPreserve(context);
}
}
}
}
num = changeHighlightHelper.HighlightFlags;
MeetingMessageType meetingMessageType = changeHighlightHelper.SuggestedMeetingType;
if (meetingMessageType == MeetingMessageType.InformationalUpdate && calendarItem.IsCancelled)
{
meetingMessageType = MeetingMessageType.FullUpdate;
}
if (this.MeetingRequestType != MeetingMessageType.PrincipalWantsCopy)
{
this.MeetingRequestType = meetingMessageType;
}
else
{
base.LocationIdentifierHelperInstance.SetLocationIdentifier(35701U);
this[InternalSchema.OriginalMeetingType] = meetingMessageType;
}
base.LocationIdentifierHelperInstance.SetLocationIdentifier(52085U);
this[InternalSchema.ChangeHighlight] = num;
}
calendarItem.SetChangeHighlight(num);
}
