public WorkSpaceClass()
        {
            NLIST_FILENAME       = "";
            ELIST_FILENAME       = "";
            TowerModelInstance   = new TowerModel();
            HeatDoublerInstances = new Models.HeatDoublers();
            ROOT_DIR             = "";
            Category             = new WorkSpaceCategory();

            Env = new WorkSpaceRunModelEnvironment();
        }
        public WorkSpaceClass(string nfilename, string efilename, string rootdir,
                              string dbname, TowerModel twmodel, Models.HeatDoublers hdinst,
                              WorkSpaceCategory Category)
        {
            NLIST_FILENAME       = nfilename;
            ELIST_FILENAME       = efilename;
            ROOT_DIR             = rootdir;
            DBNAME               = dbname;
            TowerModelInstance   = twmodel;
            HeatDoublerInstances = hdinst;

            this.Category = Category;
        }