资 源 简 介
#包括";opennurbs.h";ON_VIRTUAL_OBJECT_IMPLEMENT(ON_Curve,ON_Geometry,";4ED7D4D7-E947-11d3-BFE5-0010830122F0";);ON_Curve::ON_Curve():ON_Geometry(){}ON_Curve::ON_Curve(const ON_Curve&src):ON_Geometry(src){}ON_Curve&;ON_Curve::operator=(const ON_Curve&src){if(this!=&;src){DestroyCurveTree(); ;ON_Geometry::operator=(src);}返回*this;}