public void Delete()
{
if (!_newObject)
{
_businessObject.Remove();
}
}
/// <summary>
/// Removes the item from the index.
/// </summary>
public void RemoveFromIndex(object item, int itemKey)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
int indexKey = GetIndexKey(item);
if (ItemGroups.TryGetValue(indexKey, out SortedDictionary <int, object> group))
{
group.Remove(itemKey);
if (group.Count == 0)
{
ItemGroups.Remove(indexKey);
}
}
}