//Constructor
public LinkedHistoryNode(string root)
{
//initialise the data to the value provided
this.data = root;
//initialise the previous link to null
this.prev = null;
//initialise the next link to null
this.next = null;
}
//inserts a node into the list
public void Insert(LinkedHistoryNode node)
{
//compares to see if the node being added has the same value as the current node, if it does then do nothing
if (string.Compare(curr.GetData(), node.GetData()).Equals(true))
{
return;
}
else
{
//set the link to the previous node of the added node to the current node
node.prev = curr;
//set the link to the next node of the current node to the node being added
curr.next = node;
//set the link to the next node of the node being added to null, this is important to keep the back and forward buttons
//functioning like other browsers and only showing the
node.next = null;
//set the current node to be the node that has been added
curr = node;
}
}
//constructor
public LinkedHistoryList(LinkedHistoryNode Init)
{
//initialises the current node to the value provided
curr = Init;
}
