C#

<code>

public object Clone()
        {
            derivedFromQueueCollection retCollection = new derivedFromQueueCollection();

            lock( this )
            {
                ObjectOnQueue[] arr = ToArray();
                for( Int32 i = arr.Length ; i > 0 ; i-- )
                {
                    retCollection.Enqueue( arr[ i ].Clone() as ObjectOnQueue);
                }
            }

            return retCollection;
        }

</code>