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<A NAME="getRoot()"><!-- --></A><H3>
getRoot</H3>
<PRE>
public <A HREF="../../../java/lang/Object.html">Object</A> <B>getRoot</B>()</PRE>
<DL>
<DD>Returns the root of the tree.  Returns null only if the tree has
 no nodes.<DD><DL>
<DT><B>Returns:</B><DD>the root of the tree</DL>
</DD>
</DL>
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<A NAME="getChild(java.lang.Object, int)"><!-- --></A><H3>
getChild</H3>
<PRE>
public <A HREF="../../../java/lang/Object.html">Object</A> <B>getChild</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;parent,
                       int&nbsp;index)</PRE>
<DL>
<DD>Returns the child of <I>parent</I> at index <I>index</I> in the parent's
 child array.  <I>parent</I> must be a node previously obtained from
 this data source. This should not return null if <i>index</i>
 is a valid index for <i>parent</i> (that is <i>index</i> >= 0 &&
 <i>index</i> < getChildCount(<i>parent</i>)).<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - a node in the tree, obtained from this data source<DT><B>Returns:</B><DD>the child of <I>parent</I> at index <I>index</I></DL>
</DD>
</DL>
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<A NAME="getChildCount(java.lang.Object)"><!-- --></A><H3>
getChildCount</H3>
<PRE>
public int <B>getChildCount</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;parent)</PRE>
<DL>
<DD>Returns the number of children of <I>parent</I>.  Returns 0 if the node
 is a leaf or if it has no children.  <I>parent</I> must be a node
 previously obtained from this data source.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - a node in the tree, obtained from this data source<DT><B>Returns:</B><DD>the number of children of the node <I>parent</I></DL>
</DD>
</DL>
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<A NAME="isLeaf(java.lang.Object)"><!-- --></A><H3>
isLeaf</H3>
<PRE>
public boolean <B>isLeaf</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;node)</PRE>
<DL>
<DD>Returns true if <I>node</I> is a leaf.  It is possible for this method
 to return false even if <I>node</I> has no children.  A directory in a
 filesystem, for example, may contain no files; the node representing
 the directory is not a leaf, but it also has no children.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - a node in the tree, obtained from this data source<DT><B>Returns:</B><DD>true if <I>node</I> is a leaf</DL>
</DD>
</DL>
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<A NAME="valueForPathChanged(javax.swing.tree.TreePath, java.lang.Object)"><!-- --></A><H3>
valueForPathChanged</H3>
<PRE>
public void <B>valueForPathChanged</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path,
                                <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;newValue)</PRE>
<DL>
<DD>Messaged when the user has altered the value for the item identified
 by <I>path</I> to <I>newValue</I>.  If <I>newValue</I> signifies
 a truly new value the model should post a treeNodesChanged
 event.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - path to the node that the user has altered.<DD><CODE>newValue</CODE> - the new value from the TreeCellEditor.</DL>
</DD>
</DL>
<HR>

<A NAME="getIndexOfChild(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
getIndexOfChild</H3>
<PRE>
public int <B>getIndexOfChild</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;parent,
                           <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;child)</PRE>
<DL>
<DD>Returns the index of child in parent.</DL>
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<A NAME="addTreeModelListener(javax.swing.event.TreeModelListener)"><!-- --></A><H3>
addTreeModelListener</H3>
<PRE>
public void <B>addTreeModelListener</B>(<A HREF="../../../javax/swing/event/TreeModelListener.html">TreeModelListener</A>&nbsp;l)</PRE>
<DL>
<DD>Adds a listener for the TreeModelEvent posted after the tree changes.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>l</CODE> - the listener to add<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/tree/TreeModel.html#removeTreeModelListener(javax.swing.event.TreeModelListener)"><CODE>removeTreeModelListener(javax.swing.event.TreeModelListener)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="removeTreeModelListener(javax.swing.event.TreeModelListener)"><!-- --></A><H3>
removeTreeModelListener</H3>
<PRE>
public void <B>removeTreeModelListener</B>(<A HREF="../../../javax/swing/event/TreeModelListener.html">TreeModelListener</A>&nbsp;l)</PRE>
<DL>
<DD>Removes a listener previously added with <B>addTreeModelListener()</B>.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>l</CODE> - the listener to remove<DT><B>See Also: </B><DD><A HREF="../../../javax/swing/tree/TreeModel.html#addTreeModelListener(javax.swing.event.TreeModelListener)"><CODE>addTreeModelListener(javax.swing.event.TreeModelListener)</CODE></A></DL>
</DD>
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