public void deleteNode(int delData)
{
DLL_Node delNode = new DLL_Node();
temp = head;
current = head;
while (current != null && current.Data != delData)
{
temp = current;
current = current.Next;
}
if (current == null)
{
Console.WriteLine("{0} was not in the list", delData);
}
else
{
delNode = current;
current = current.Next;
current.Prev = temp;
temp.Next = current;
if (head.Data == delData)
{
head = head.Next;
temp = null;
}
Console.WriteLine("The data {0} was deleted", delData);
}
}
public DoublyLinkedList()
{
head = null;
tail = null;
current = null;
temp = null;
}
public void printReverse()
{
current = tail;
while (current != null)
{
Console.WriteLine(current.Data);
current = current.Prev;
}
}
public void printForward()
{
current = head;
while (current != null)
{
Console.WriteLine(current.Data);
current = current.Next;
}
}
public void addNode(int addData)
{
DLL_Node n = new DLL_Node();
n.Next = null;
n.Prev = null;
n.Data = addData;
if (head != null)
{
current = head;
while (current.Next != null)
{
current = current.Next;
}
current.Next = n;
n.Prev = current;
tail = n;
}
else
{
head = n;
tail = n;
}
}