_clear _items _sid addItem clear clone copy create createItem draw equals getCount getPoint getPointCount getType hitTest isCurve isKindOf ITEMS load MgRecordShape output release save setPoint setRefID Type ~MgRecordShape

isCurve() virtual bool MgRecordShape::isCurve ( ) const virtual 返回是否为曲线图形 重载 MgBaseShape .