_clear _copy _count _equals _getPoint _getPointCount _hitTest _hitTestBox _isClosed _isKindOf _load _maxCount _points _save _setPoint _transform _update addPoint endPoint getPoints getSubType insertPoint isIncrementFrom maxEdgeIndex MgBaseLines removePoint resize setClosed Type ~MgBaseLines

_setPoint() void MgBaseLines::_setPoint ( int  index, const Point2d &  pt  ) protected 这是这个函数的调用关系图: