---

TreeWalker Interface

Table 15-27 summarizes the methods of available through TreeWalker interface.

Table 15-27 Summary of TreeWalker Methods; Dom Package

Function	Summary
adjustCtx	Attach this tree walker to another context.
firstChild	Get the first child of the current node.
lastChild	Get the last child of the current node.
nextNode	Get the next node.
nextSibling	Get the next sibling node.
parentNode	Get the parent of the current node.
previousNode	Get the previous node.
previousSibling	Get the previous sibling node.

---

adjustCtx

Attaches this tree walker to the context associated with a given node reference

Syntax

void adjustCtx( 
   NodeRef< Node>& nref);

Parameter	Description
nref	reference to provide the context

---

firstChild

Get the first child of the current node.

Syntax

Node* firstChild();

Returns

(Node*) pointer to first child node

---

lastChild

Get the last child of the current node.

Syntax

Node* lastChild();

Returns

(Node*) pointer to last child node

---

nextNode

Get the next node.

Syntax

Node* nextNode();

Returns

(Node*) pointer to the next node

---

nextSibling

Get the next sibling node.

Syntax

Node* nextSibling();

Returns

(Node*) pointer to the next sibling node

---

parentNode

Get the parent of the current node.

Syntax

Node* parentNode();

Returns

(Node*) pointer to the parent node

---

previousNode

Get the previous node.

Syntax

Node* previousNode();

Returns

(Node*) pointer to previous node

---

previousSibling

Get the previous sibling node.

Syntax

Node* previousSibling();

Returns

(Node*) pointer to the previous sibling node