Jig时原点总是有显示，jig后再添加进btr, jig前不能处理属性添加到块，所以要先添加进btr,再clone(),再删除原来的，再将clone的添加进btr OK 解决问题

        //记录修改为不同的颜色
        private static Document doc = Application.DocumentManager.MdiActiveDocument;
        private static Editor ed = doc.Editor;
        private static Database db = doc.Database;
        private static Dictionary<short, string> dicIColorValue = new Dictionary<short, string>();
        public void DeColorGroup(DataView dvAllData, System.Windows.Forms.TreeNode node)
        {
            doc = Application.DocumentManager.MdiActiveDocument;
            ed = doc.Editor;
            db = doc.Database;
            dicIColorValue = new Dictionary<short, string>();

            string strFile = dvAllData.RowFilter;
            using (DocumentLock docLock = doc.LockDocument())
            {
                SetEntColor(doc, ed, db, node, dvAllData, dicIColorValue);
                dvAllData.RowFilter = strFile;

                string strEsc = string.Format("{0}{1}", (char)3, (char)3);
                doc.SendStringToExecute(strEsc + "cmdAddLabel\n", true, false, false);
                //AddLabel(db, doc, ed, dicIColorValue);
            }
        }

        [CommandMethod("cmdAddLabel")]
        public void AddLabel()
        {
            string strPath = Info.appPath + @"\Acad\Blocks\Label\ColorLabel.dwg";
            using (Transaction tr = doc.TransactionManager.StartTransaction())
            {
                BlockTable bt; BlockTableRecord btr;
                ArxHlb.CADEntAdd.GetBtBtr(db, tr, out bt, out btr, OpenMode.ForWrite);

                Point3d pt = new Point3d();
                Point3d ptBase = pt;
                List<Entity> lstEnt = new List<Entity>();
                DBObjectCollection objs = new DBObjectCollection();

                foreach (short iColor in dicIColorValue.Keys)
                {
                    BlockReference refEnt = ArxHlb.CADEntAdd.AddBlockDwgEasy(db, tr,
                        strPath, "*U", pt, 0);

                    //得到实体高
                    refEnt.Explode(objs);
                    double H = 0;
                    foreach (DBObject obj in objs)
                    {
                        if (obj is Polyline)
                        {
                            H = ((Polyline)obj).ConstantWidth;
                            break;
                        }
                    }

                    Dictionary<string, string> dicAtt = new Dictionary<string, string>();
                    dicAtt.Add("LABEL", dicIColorValue[iColor]);
                    ArxHlb.CADAtt.SetAttValue(tr, refEnt, dicAtt);

                    ArxHlb.CADEntEdit.ChangeEntAndBlockColor(db, tr,
                        refEnt, Color.FromColorIndex(ColorMethod.ByLayer, iColor));

                    lstEnt.Add(refEnt.Clone() as BlockReference);
                    refEnt.Erase();

                    pt = new Point3d(pt.X, pt.Y + H * 1.5, 0);
                }

                if (!ArxHlb.CADJig.Jig(ed, lstEnt, ptBase, "\n请选择颜色标签插入点")) return;

                for (int i = 0; i < lstEnt.Count; i++)
                {
                    btr.AppendEntity(lstEnt[i]);
                    tr.AddNewlyCreatedDBObject(lstEnt[i], true);
                }

                tr.Commit();
            }
        }