public void AddAfter(DLinkedListNode node, DLinkedListNode target)
{
if (Tail == target)
{
target.Next = node;
node.Previous = target;
Tail = node;
}
else
{
DLinkedListNode oldNext = target.Next;
node.Previous = target;
node.Next = oldNext;
oldNext.Previous = node;
target.Next = node;
}
}
public DLinkedList(DLinkedListNode node)
{
Head = node;
Tail = node;
}