private HashSet <StoreObjectId> GetLocalItemIds(StoreObjectId localFolderId)
{
HashSet <StoreObjectId> hashSet = new HashSet <StoreObjectId>();
foreach (IConversationTreeNode conversationTreeNode in this.ConversationTree)
{
foreach (StoreObjectId storeObjectId in conversationTreeNode.ToListStoreObjectId())
{
StoreObjectId valueOrDefault = conversationTreeNode.GetValueOrDefault <StoreObjectId>(storeObjectId, StoreObjectSchema.ParentItemId, null);
if (localFolderId == null || localFolderId.CompareTo(valueOrDefault) == 0)
{
hashSet.Add(storeObjectId);
}
}
}
if (hashSet.Count == 0 && localFolderId != null)
{
using (Folder folder = Folder.Bind(this.session, localFolderId))
{
SearchFolder searchFolder = folder as SearchFolder;
if (searchFolder != null)
{
using (QueryResult queryResult = searchFolder.ConversationItemQuery(null, new SortBy[]
{
new SortBy(ConversationItemSchema.ConversationId, SortOrder.Ascending)
}, new PropertyDefinition[]
{
ConversationItemSchema.ConversationItemIds
}))
{
if (queryResult.SeekToCondition(SeekReference.OriginBeginning, new ComparisonFilter(ComparisonOperator.Equal, ConversationItemSchema.ConversationId, this.ConversationId)))
{
IStorePropertyBag[] propertyBags = queryResult.GetPropertyBags(1);
if (propertyBags.Length > 0)
{
StoreObjectId[] array = propertyBags[0].TryGetProperty(ConversationItemSchema.ConversationItemIds) as StoreObjectId[];
if (array != null)
{
foreach (StoreObjectId item in array)
{
hashSet.Add(item);
}
}
}
}
}
}
}
}
return(hashSet);
}