public static void main (String [] args) {
	Display display = new Display ();
	Shell shell = new Shell (display);
	Tree tree = new Tree (shell, SWT.BORDER | SWT.MULTI);
	Rectangle clientArea = shell.getClientArea ();
	tree.setBounds (clientArea.x, clientArea.y, 200, 200);
	for (int i=0; i<12; i++) {
		TreeItem item = new TreeItem (tree, SWT.NONE);
		item.setText ("Item " + i);
	}
	TreeItem item = new TreeItem (tree, SWT.NONE, 1);
	TreeItem [] items = tree.getItems ();
	int index = 0;
	while (index < items.length && items [index] != item) index++;
	item.setText ("*** New Item " + index + " ***");
	shell.pack ();
	shell.open ();
	while (!shell.isDisposed ()) {
		if (!display.readAndDispatch ()) display.sleep ();
	}
	display.dispose ();
}