Returns an array of <code>TableTreeItem</code>s which are the
direct item children of the receiver.
<p>
Note: This is not the actual structure used by the receiver
to maintain its list of items, so modifying the array will
not affect the receiver.
</p>
Returns an array of <code>TableTreeItem</code>s which are the direct item children of the receiver. <p> Note: This is not the actual structure used by the receiver to maintain its list of items, so modifying the array will not affect the receiver. </p>
@return the receiver's items