void CTestCommands::ReadBlockReferenceAttribute()
    {
        ads_name entName;
        ads_point pt;
        if(acedEntSel(_T("选择属性块实体:"),entName,pt) != RTNORM)
        {
            return;
        }

        AcDbObjectId objId;
        if(acdbGetObjectId(objId,entName) != Acad::eOk)
            return;

        AcDbObjectPointer<AcDbBlockReference> spBlkRef(objId,AcDb::kForRead);
        if(spBlkRef.openStatus() != Acad::eOk)
        {
            acutPrintf(_T("n 选择的实体不是一个块引用"));
            return;
        }

        AcDbObjectIterator* pAttribIter = spBlkRef->attributeIterator();
        if(pAttribIter != NULL)
        {
            acutPrintf(_T("n 块的属性值为："));
            for(;!pAttribIter->done();pAttribIter->step() )
            {
                AcDbObjectPointer<AcDbAttribute> spAttribute(pAttribIter->objectId(),AcDb::kForRead);
                acutPrintf(_T("n %s"),spAttribute->textStringConst());
            }
            acutPrintf(_T("n"));
            delete pAttribIter;
        }
        else
        {
            acutPrintf(_T("n 选择的不块不带属性"));
        }
    }

    void CTestCommands::InsertBlockRef()
    {
        CString sBlkName = _T("TestBlkName");
        AcDbObjectId blkRecId;
        {
            AcDbBlockTableRecordPointer spBlkRec(sBlkName,acdbCurDwg(),AcDb::kForRead);
            if(spBlkRec.openStatus() == Acad::eOk)
            {
                blkRecId = spBlkRec->objectId();
            }
            else
            {
                CString sT;
                sT.Format(_T("当前图上没有定义块记录名为:%s的块"),sBlkName);
                AfxMessageBox(sT);
                return;
            }
        }

        AcGePoint3d pos(0,0,0);
        std::auto_ptr<AcDbBlockReference> spBlkRef(new AcDbBlockReference);
        spBlkRef->setBlockTableRecord(blkRecId);
        spBlkRef->setPosition(pos);
        spBlkRef->setScaleFactors(10);
        spBlkRef->setRotation(0.0 * 3.14159265 / 180.0);

        CInsertBlockJig jig(spBlkRef.get());
        AcGePoint3d insertPt;
        if(jig.DoIt(insertPt) )
        {
            spBlkRef->setPosition(insertPt);
            AddToModelSpace(spBlkRef.get(),acdbCurDwg(),false);

            // 设置创建块属性定义文字。

            McGeMatrix3d blkMat = spBlkRef->blockTransform();
            AcDbObjectPointer<AcDbBlockTableRecord> spBlkRec(blkRecId,McDb::kForRead);
            if(spBlkRec.openStatus() == Acad::eOk)
            {
                McDbBlockTableRecordIterator* pIterator = NULL;
                spBlkRec->newIterator(pIterator);
                if(pIterator != NULL)
                {
                    std::auto_ptr<McDbBlockTableRecordIterator> spIterator(pIterator);
                    for(;!pIterator->done();pIterator->step())
                    {
                        AcDbObjectId entId;
                        pIterator->getEntityId(entId);
                        AcDbObjectPointer<McDbAttributeDefinition> spAttribDef(entId,AcDb::kForRead);
                        if(spAttribDef.openStatus() != Acad::eOk)
                        {
                            continue;
                        }

                        if(spAttribDef->isInvisible() )
                        {
                            continue;
                        }

                        McDbAttribute* pAttrib = new McDbAttribute;
                        pAttrib->setPosition(spAttribDef->position() );
                        pAttrib->setAlignmentPoint(spAttribDef->alignmentPoint());
                        pAttrib->setOblique(spAttribDef->oblique() );
                        pAttrib->setRotation(spAttribDef->rotation() );

                        pAttrib->setHeight(spAttribDef->height() );

                        pAttrib->setColor(spAttribDef->color() );
                        pAttrib->setLayer(spAttribDef->layerId() );
                        pAttrib->setTextStyle(spAttribDef->textStyle());

                        pAttrib->setWidthFactor(spAttribDef->widthFactor() );

                        pAttrib->setTextString(spAttribDef->textStringConst() );


                        pAttrib->setHorizontalMode(spAttribDef->horizontalMode() );

                        pAttrib->setVerticalMode(spAttribDef->verticalMode() );

                        pAttrib->setTag(spAttribDef->tagConst() );

                        pAttrib->setInvisible(Adesk::kFalse);

                        pAttrib->transformBy(blkMat);

                        spBlkRef->appendAttribute(pAttrib);
                        pAttrib->close();
                    }
                }

            }
            spBlkRef->close();
            spBlkRef.release();
        }
    }