Returns a (possibly empty) array of <code>TreeItem</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
@exception SWTException <ul>
<li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
<li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
</ul>
Returns a (possibly empty) array of <code>TreeItem</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
@exception SWTException <ul> <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> </ul>