doubleGetCrurrentViewResolution(){        CPoint ptIn1( 0, 0);    //设备坐标系上的第一点;    acedDwgPoint ptOut1;    acedCoordFromPixelToWorld( ptIn1 , ptOut1);    CPoint ptIn2( 100, 0);   //设备坐标系上的第二点;    acedDwgPoint ptOut2;    acedCoordFromPixelToWorld( ptIn2 , ptOut2);        double dResolution = (ptOut2[0]-ptOut1[0])/100;    return  dResolution;}