McDbPolyline* MxDrawXDrawPath::MakePolyline(double dW)
    {
        if(m_vecData.size() < 2)
            return NULL;

        McDbPolyline* pPL = new McDbPolyline;

        bool isHaveWidth = false;
        for(unsigned int i = 0; i < m_vecData.size();i++)
        {

            pPL->addVertexAt(m_vecData[i].pt,
                m_vecData[i].dBulge,
                m_vecData[i].dStartWidth,
                m_vecData[i].dEndWidth
                );
            if((m_vecData[i].dStartWidth > 0 )
                || (m_vecData[i].dEndWidth > 0)
                )
            {
                isHaveWidth = true;
            }
        }

        if(m_isClosed)
            pPL->setClosed(Mdesk::kTrue);

        if((!isHaveWidth) 
            && (!MxT::IsZero(dW)) 
            )
        {
            pPL->setConstantWidth(dW);
        }

        ClaerData();

        return pPL;
    }

    LONG CMxDrawXCtrl::DrawPathToPolyline(void)
    {
        AFX_MANAGE_STATE(AfxGetStaticModuleState());

        // TODO: 在此添加调度处理程序代码
        McDbPolyline* pPolyline = m_pDrawPath->MakePolyline(m_dLineWidth);
        if(pPolyline == NULL)
            return 0;

        std::auto_ptr<MxDrawXDrawFun> spDrawFun(DrawFun() );
        return spDrawFun->AddToCurrentSpace(pPolyline);
    }

    AcDbPolyline* pPL = new AcDbPolyline;
    pPL->setConstantWidth(dLineWidth);
    pPL->addVertexAt(0,pt1.convert2d(AcGePlane::kXYPlane));
    pPL->addVertexAt(1,pt2.convert2d(AcGePlane::kXYPlane));
    return AddToModelSpace(pPL,pDatabase);