AutoCAD.Net/C#.Net QQ群:193522571 DBText对象中有ID,BlockId还有OwnerId，区别是什么？

 

            DBText entResult = (DBText)trans.GetObject(sh.ResultObjectId, OpenMode.ForRead);
                        //可能有问题，将BlockId修改成OwnerId后没有问题
                        //下面这个就有问题，得到的是BlockTableRecord，不能强制转换成BlockReference
                        //BlockReference blkResult = (BlockReference)trans.GetObject(entResult.BlockId, OpenMode.ForRead);
                        //下面这个没有问题
                        BlockReference blkResult = (BlockReference)trans.GetObject(entResult.OwnerId, OpenMode.ForRead);
            BlockTableRecord btr = (BlockTableRecord)trans.GetObject(blkResult.BlockTableRecord, OpenMode.ForRead);

ID：指其本身的objectid

BlockId：指其所在的块定义的id

OwnerId：指其所在的块参照的id

初学者肯定比较晕