public bool Remove(TElement item, bool isCancelNew) { bool removed; Debug.Assert(_objectContext != null, "ObjectContext is null."); if (isCancelNew) { // Item was previously added to binding list, but not ObjectContext. removed = _bindingList.Remove(item); } else { EntityEntry stateEntry = _objectContext.ObjectStateManager.FindEntityEntry(item); if (stateEntry != null) { stateEntry.Delete(); // OnCollectionChanged event will be fired, where the binding list will be updated. removed = true; } else { removed = false; } } return(removed); }
public bool Remove(TElement item, bool isCancelNew) { bool flag; if (isCancelNew) { flag = this._bindingList.Remove(item); } else { EntityEntry entityEntry = this._objectContext.ObjectStateManager.FindEntityEntry((object)item); if (entityEntry != null) { entityEntry.Delete(); flag = true; } else { flag = false; } } return(flag); }