//public IEnumerator<T> GetEnumerator()
//{
// return new KeyedCollection<T>.Enumerator(this);
//}
public virtual T[] GetItems()
{
if (_items.Count <= 0)
{
return(new T[0]);
}
return(_items.GetItems());
}
public virtual void Sort()
{
_items.Sort(_keys.GetItems());
_keys.Sort(_keys.GetItems());
if (CollectionChanged != null)
{
CollectionChanged(this, new EventArgs());
}
}
public virtual ReadOnlyCollection <T> Clone()
{
return(new ReadOnlyCollection <T>(_coll.GetItems()));
}