internal static CoreItem CoreItemBind(StoreSession session, StoreId storeId, ItemBuilder.MapiMessageCreator mapiMessageCreator, ItemBindOption itemBindOption, ICollection <PropertyDefinition> propertiesToLoad, ref StoreObjectType storeObjectType) { Util.ThrowOnNullArgument(session, "session"); EnumValidator.ThrowIfInvalid <ItemBindOption>(itemBindOption); Util.ThrowOnNullArgument(propertiesToLoad, "propertiesToLoad"); bool flag = false; MapiProp mapiProp = null; PersistablePropertyBag persistablePropertyBag = null; AcrPropertyBag acrPropertyBag = null; CoreItem coreItem = null; CoreItem result2; using (CallbackContext callbackContext = new CallbackContext(session)) { try { session.OnBeforeItemChange(ItemChangeOperation.ItemBind, session, storeId, coreItem, callbackContext); StoreObjectId storeObjectId; byte[] array; StoreId.SplitStoreObjectIdAndChangeKey(storeId, out storeObjectId, out array); session.CheckSystemFolderAccess(storeObjectId); if (storeObjectId != null && !IdConverter.IsMessageId(storeObjectId)) { throw new ArgumentException(ServerStrings.ExInvalidItemId); } bool flag2 = false; OccurrenceStoreObjectId occurrenceStoreObjectId = storeObjectId as OccurrenceStoreObjectId; IPropertyBagFactory propertyBagFactory; if (occurrenceStoreObjectId != null) { persistablePropertyBag = Item.CreateOccurrencePropertyBag(session, occurrenceStoreObjectId, propertiesToLoad); storeObjectType = StoreObjectType.CalendarItemOccurrence; flag2 = true; propertyBagFactory = new OccurrenceBagFactory(session, occurrenceStoreObjectId); } else { if (mapiMessageCreator != null) { mapiProp = mapiMessageCreator(); } else if ((itemBindOption & ItemBindOption.SoftDeletedItem) == ItemBindOption.SoftDeletedItem) { mapiProp = session.GetMapiProp(storeObjectId, OpenEntryFlags.BestAccess | OpenEntryFlags.DeferredErrors | OpenEntryFlags.ShowSoftDeletes); } else { mapiProp = session.GetMapiProp(storeObjectId); } persistablePropertyBag = new StoreObjectPropertyBag(session, mapiProp, propertiesToLoad); StoreObjectType storeObjectType2 = ItemBuilder.ReadStoreObjectTypeFromPropertyBag(persistablePropertyBag); if (storeObjectType2 == storeObjectType) { flag2 = true; } else { storeObjectType = storeObjectType2; } propertyBagFactory = new RetryBagFactory(session); if (storeObjectId != null && storeObjectId.ObjectType != storeObjectType) { storeObjectId = StoreObjectId.FromProviderSpecificId(storeObjectId.ProviderLevelItemId, storeObjectType); } } ItemBuilder.CheckPrivateItem(session, persistablePropertyBag); ItemCreateInfo itemCreateInfo = ItemCreateInfo.GetItemCreateInfo(storeObjectType); if (flag2) { propertiesToLoad = null; } else { propertiesToLoad = ItemBuilder.GetPropertiesToLoad(itemBindOption, itemCreateInfo.Schema, propertiesToLoad); } acrPropertyBag = new AcrPropertyBag(persistablePropertyBag, itemCreateInfo.AcrProfile, storeObjectId, propertyBagFactory, array); coreItem = new CoreItem(session, acrPropertyBag, storeObjectId, array, Origin.Existing, ItemLevel.TopLevel, propertiesToLoad, itemBindOption); flag = true; ConflictResolutionResult result = flag ? ConflictResolutionResult.Success : ConflictResolutionResult.Failure; session.OnAfterItemChange(ItemChangeOperation.ItemBind, session, storeId, coreItem, result, callbackContext); result2 = coreItem; } finally { if (!flag) { Util.DisposeIfPresent(coreItem); Util.DisposeIfPresent(acrPropertyBag); Util.DisposeIfPresent(persistablePropertyBag); Util.DisposeIfPresent(mapiProp); } } } return(result2); }