设置视口中心点setViewCenter

ads_point pt;

        ads_name ent,ss;

        //切换到模型空间

        acedMspace();

        if (RTNORM != acedGetPoint(NULL,_T("\n选择新的视口中心点:"),pt))

        {

            return;

        }

        acutPrintf(_T("\n拾取视口中心点(%0.4lf,%0.4lf)"),pt[X],pt[Y]);

        // 转换坐标系的标记

        struct resbuf ucs, dcs;

        ucs.restype = RTSHORT;

        ucs.resval.rint = ;

        dcs.restype = RTSHORT;

        dcs.resval.rint = ;

        acedTrans(pt,&ucs,&dcs,NULL,pt);

        AcGePoint2d ptCenter=asPnt2d(pt);

        //切换到图纸空间

        acedPspace();

        if (RTNORM != acedSSGet(NULL,NULL,NULL,NULL,ss))

        {

            return;

        }

        Adesk::Int32 nLength;

        acedSSLength(ss,&nLength);

        for (Adesk::Int32 i=;i<nLength;i++)

        {

            AcDbObjectId objId=AcDbObjectId::kNull;

            acedSSName(ss,i,ent);

            acdbGetObjectId(objId,ent);

            AcDbObjectPointer<AcDbViewport> pVp(objId,AcDb::kForWrite);

            if (Acad::eOk != pVp.openStatus() || pVp == NULL)

            {

                continue;

            }

            //pVp->setViewCenter()

            AcGePoint2d ptOld= pVp->viewCenter();

            acutPrintf(_T("\n原有视口中心点(%0.4lf,%0.4lf)"),ptOld.x,ptOld.y);

            acutPrintf(_T("\n设置视口中心点(%0.4lf,%0.4lf)"),ptCenter.x,ptCenter.y);

            pVp->setViewCenter(ptCenter);

            ptOld= pVp->viewCenter();

            acutPrintf(_T("\n结果视口中心点(%0.4lf,%0.4lf)"),ptOld.x,ptOld.y);

        }

        acedSSFree(ss);