Mcad::ErrorStatus CLinkBlock::getGripPointExSnap(int iIndex,
        McGeVector3ddArray& vecExSnap)
    {
        if(iIndex == 0)
        {
            McDbBlockReference tmpBlkRef;
            tmpBlkRef.setPosition(m_pos);
            tmpBlkRef.setScaleFactors(m_scale);
            tmpBlkRef.setRotation(m_dRotation);
            tmpBlkRef.setBlockTableRecord(m_idBlkRec);
            McGeMatrix3d mat = tmpBlkRef.blockTransform();

            for(int i =0; i < m_aryLinkPoint.length();i++)
            {
                AcGePoint3d tmp = m_aryLinkPoint[i];
                tmp.transformBy(mat);

                vecExSnap.append(tmp - m_pos);
            }
        }
        return Mcad::eOk;
    }