自由手記

PromptPointResult ppr = ed.GetPoint("请选择插入点：");   

Point3d pt = ppr.Value;   

utility.WriteToEditor(pt.ToString());   

 PIDBlock pidBlock = new PIDBlock();//自己定义的图块类，保存图块的路径和名称   

pidBlock.Name = "sample";   

pidBlock.Path = blockPath + "b_sample.dwg";using (Database blkDb = new Database(false, true))   

{   

    //read drawing   

    blkDb.ReadDwgFile(pidBlock.Path, System.IO.FileShare.Read, true, null);   

    blkDb.CloseInput(true);   

    using (DocumentLock docLock = doc.LockDocument())//多文档要先这样，否则报至命错误   

    {   

        using (Transaction t = doc.TransactionManager.StartTransaction())   

        {   

            //insert it as a new block   

            ObjectId idBTR = doc.Database.Insert(pidBlock.Name, blkDb, false);   

            //create a ref to the block   

            BlockTable bt = (BlockTable)t.GetObject(doc.Database.BlockTableId, OpenMode.ForRead);   

            BlockTableRecord btr = (BlockTableRecord)t.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);   

            using (BlockReference bref = new BlockReference(pt, idBTR))   

            {   

                btr.AppendEntity(bref);   

                t.AddNewlyCreatedDBObject(bref, true);   

            }   

            t.Commit();   

        }   

    }   

}