public bool MoveNext()
{
if (curr_el == null)
{
curr_el = _head;
}
else
if (curr_el.Equals(_tail))
{
return(false);
}
else
{
curr_el = curr_el.Next;
}
return(true);
}
public int Count()
{
int i = 0;
if (_head.Equals(_tail))
{
return(1);
}
CircularLinkedListNode <T> Current = _head;
do
{
i++;
Current = Current.Next;
}while (!Current.Equals(_head));
return(i);
}
public bool MoveNext()
{
if (_enumerator_counter == null)
{
_enumerator_counter = _current;
return(true);
}
if (Direction.State == TriggerState.DefaultState)
{
_enumerator_counter = _enumerator_counter.Next;
}
else
{
_enumerator_counter = _enumerator_counter.Previus;
}
if (_enumerator_counter.Equals(_current))
{
return(false);
}
return(true);
}