public AcSmCustomPropertyValue GetCustomProperty(string nName)
        {
            AcSmSheetSet          wP   = (AcSmSheetSet)this.FindChild("AcSmSheetSet");
            AcSmCustomPropertyBag wCPB = wP.GetCustomPropertyBag();

            return(wCPB.GetProperty(nName));
        }
        public AcSmSubset AddSubset(string nName)
        {
            //AcSmSubset nSS = new AcSmSubset(nName);
            AcSmSheetSet wSS = (AcSmSheetSet)this.FindChild("AcSmSheetSet");

            //wSS.Child.Add(nSS);
            return(wSS.AddSubset(nName));
        }
        public AcSmProp GetProperty(string nName)
        {
            AcSmSheetSet wP = (AcSmSheetSet)this.FindChild("AcSmSheetSet");

            return(wP.GetProperty(nName));
        }
        public void SetName(string nName)
        {
            AcSmSheetSet wP = (AcSmSheetSet)this.FindChild("AcSmSheetSet");

            wP.SetName(nName);
        }