public void SetSelected(PlaceableObject obj)
 {
     for (int i = 0; i < _menuContentRoot.childCount; ++i)
     {
         PlaceableObject childObj = _menuContentRoot.GetChild(i).GetComponent <PlaceableObject>();
         if (!childObj.gameObject.activeSelf)
         {
             continue;
         }
         if (childObj.pInfo.pName == obj.pInfo.pName)
         {
             childObj.SetHighlight(true);
         }
         else
         {
             childObj.SetHighlight(false);
         }
     }
 }