///
/// <summary> * get a vector of all unlinked resources of n and its children
/// * </summary>
/// * <param name="n"> the node to walk
/// * @return </param>
///
public virtual VElement getUnlinkedResources(JDFNode n)
{
ld.clear();
walk(n);
List <KElement> toValueVector = ContainerUtil.toValueVector(ld.resMap, false);
return(toValueVector == null ? null : new VElement(VElement.ToVElement <KElement>(toValueVector)));
}