CAD二次開發--2.向當前空間添加圖元

 

        /// <summary>
        /// 向當前操作的空間(ModelSpace/PaperSpace)中添加圖元
        /// </summary>
        /// <param name="ent"></param>
        /// <returns></returns>
        public ObjectId InsertEnt(Entity ent)
        {
            ObjectId id;
            Database db = HostApplicationServices.WorkingDatabase;
            using (Transaction tran = db.TransactionManager.StartTransaction())
            {
                BlockTableRecord modelspace = tran.GetObject(db.CurrentSpaceId, OpenMode.ForWrite) as BlockTableRecord;
                id = modelspace.AppendEntity(ent);
                tran.AddNewlyCreatedDBObject(ent, true);
                tran.Commit();
            }
            return id;
        }