ActiveTransportLoader.getActiveTransportProprietiesFromFiles C# (CSharp) Метод

    public LinkedList<ActiveTransportProprieties> getActiveTransportProprietiesFromFiles(IEnumerable files)
    {
        LinkedList<ActiveTransportProprieties> propsList = new LinkedList<ActiveTransportProprieties>();
        LinkedList<ActiveTransportProprieties> newPropList;

        foreach (string file in files)
          {
        newPropList = loadActiveTransportProprietiesFromFile(file);
        if (newPropList != null)
          LinkedListExtensions.AppendRange<ActiveTransportProprieties>(propsList, newPropList);
          }
        return propsList;
    }