public void AddLast(T item)
{
DoubleLinkedListNode <T> node = new DoubleLinkedListNode <T>(item);
if (_head == null)//first Item
{
_head = node;
_tail = node;
}
else
{
_tail.Next = node;
node.Previous = _tail;
_tail = node;
}
Count++;
}
public void AddFirst(T item)
{
DoubleLinkedListNode <T> node = new DoubleLinkedListNode <T>(item);
if (_head == null)
{
_head = node;
_tail = node;
}
else
{
node.Next = _head;
_head.Previous = node;
_head = node;
}
Count++;
}
public void Clear()
{
_head = null;
_tail = null;
Count = 0;
}
