redraw (OS.kDataBrowserNoItem);
public void removeAll () {	checkWidget ();	TreeItem [] items = parent.items;	for (int i=0; i<items.length; i++) {		if (items [i] != null && items [i].parentItem == this) {			TreeItem item = items [i];			item.releaseChild ();			item.releaseWidget ();			item.destroyWidget ();		}	}	// TODO this redraw should not be required	// Find out why item.dispose does not redraw the parent item 	redraw (OS.kDataBrowserNoItem);}