public void Clear()
{
var head = this.head;
while (head != null)
{
ActiveListNode <T> node2 = head;
node2.Invalidate();
head = head.Next;
}
this.head = null;
this.count = 0;
}
private void RemoveNode(ActiveListNode <T> node)
{
if (node.next != null)
{
node.next.prev = node.prev;
}
if (node.prev != null)
{
node.prev.next = node.next;
}
node.Invalidate();
if (this.head == node)
{
this.head = node.next;
}
if (this.tail == node)
{
this.tail = node.prev;
}
--this.count;
++version;
}