public void Setup()
 {
     _pipes = new Pipes();
     _selected = _pipes as ISelectedCollection<IPipe>;
 }
 public void Setup()
 {
     _elements = new Elements();
     _selected = _elements as ISelectedCollection<IElement>;
 }
 public void Setup()
 {
     _Utilities = new UtilitiesMgr();
     _selected = _Utilities as ISelectedCollection<IUtility>;
 }