public void Union(Dictionary <string, ObjectId[]> dicDeleteDimStyles, DimStyleTableRecord[] resultStyleName)
        {
            using (Transaction t = targetDB.TransactionManager.StartTransaction())
            {
                DimStyleTable tblStyle = (DimStyleTable)t.GetObject(targetDB.DimStyleTableId, OpenMode.ForWrite);
                foreach (var _style in dicDeleteDimStyles)
                {
                    foreach (var _x in _style.Value)
                    {
                        DBObject  item = t.GetObject(_x, OpenMode.ForWrite);
                        Dimension y    = (Dimension)item;
                        if (y.Annotative != AnnotativeStates.True)
                        {
                            SetStyleAnnotative(resultStyleName, item, y);
                        }
                        SetStyleByType(resultStyleName, item, y);
                    }


                    if (!CanBeRemoved(_style.Key))
                    {
                        continue;
                    }

                    List <DimStyleTableRecord> dimStyles = tblStyle.Cast <ObjectId>().Select(n => (DimStyleTableRecord)t.GetObject(n, OpenMode.ForWrite, true)).ToList();
                    DimStyleTableRecord        styleDel  = dimStyles.Select(x => x).Where(x => x.Name.ToUpper().Equals(_style.Key)).ToList()[0];
                    styleDel.Erase();
                }
                t.Commit();
            }
        }
        private List <DimStyleTableRecord> GetDimStyles(Database db)
        {
            List <DimStyleTableRecord> alldimStyles = new List <DimStyleTableRecord>();
            List <DimStyleTableRecord> dimStyles    = new List <DimStyleTableRecord>();

            using (Transaction tr = db.TransactionManager.StartTransaction())
            {
                DimStyleTable tblStyle = (DimStyleTable)tr.GetObject(db.DimStyleTableId, OpenMode.ForRead);
                alldimStyles = tblStyle.Cast <ObjectId>().Select(n => (DimStyleTableRecord)tr.GetObject(n, OpenMode.ForRead)).ToList();
            }
            foreach (DimStyleTableRecord item in alldimStyles)
            {
                if (item.Name.Contains('|'))
                {
                    continue;
                }
                dimStyles.Add(item);
            }
            return(dimStyles);
        }