报错"the geometry has no Z values"处理

);  //将Z值设置为0

//IPoint point = (IPoint)pGeo;

//point.Z = 0;

}

else
            {
                IZAware pZAware = (IZAware)pGeo;
                pZAware.ZAware = false;
            }

//M值
            if (pGeometryDef.HasM)
            {
                IMAware pMAware = (IMAware)pGeo;
                pMAware.MAware = true;
            }
            else
            {
                IMAware pMAware = (IMAware)pGeo;
                pMAware.MAware = false;

}
        }//function