class CInsertBlockJig :public McEdJig
    {
    public:
        CInsertBlockJig(AcDbBlockReference* pBlkRef);
        virtual ~CInsertBlockJig(void);

        virtual DragStatus sampler();
        virtual Adesk::Boolean update();
        virtual AcDbEntity* entity() const;

        bool    DoIt(AcGePoint3d& retPt);

    private:
        AcDbBlockReference* m_pBlkRef;
    };

    CInsertBlockJig::CInsertBlockJig(AcDbBlockReference* pBlkRef)
    : m_pBlkRef(pBlkRef)
    {
        ASSERT(m_pBlkRef != NULL);
    }

    CInsertBlockJig::~CInsertBlockJig(void)
    {
    }
    AcEdJig::DragStatus CInsertBlockJig::sampler()
    {
        AcGePoint3d point;

        setUserInputControls((UserInputControls)
            (   McEdJig::kNullResponseAccepted)
            );

        AcEdJig::DragStatus ret = acquirePoint(point);
        if(ret == AcEdJig::kNormal)
        {
            m_pBlkRef->setPosition(point);
        }
        return ret;
    }
    Adesk::Boolean CInsertBlockJig::update()
    {
        return Adesk::kTrue;
    }
    AcDbEntity* CInsertBlockJig::entity() const
    {
        return m_pBlkRef;
    }
    bool    CInsertBlockJig::DoIt(AcGePoint3d& retPt)
    {

        CFilterWinMsg tmpFilterMsg(m_pBlkRef,this);

        MxDraw::RegisterFilterWinMsg(MxDraw::GetCurOcxHandle(),&tmpFilterMsg);

        DragStatus retStatus = drag();

        if(retStatus == AcEdJig::kNormal)
        {
            retPt = m_pBlkRef->position();

            MxDraw::UnRegisterFilterWinMsg(MxDraw::GetCurOcxHandle(),&tmpFilterMsg);
            return true;
        }
        MxDraw::UnRegisterFilterWinMsg(MxDraw::GetCurOcxHandle(),&tmpFilterMsg);
        return false;
    }