_context _id _parent _refcount _shape _tag addRef clone context create getID getParent getTag getType MgShapeT MgShapeT registerCreator release setContext setParent setTag shape shapec ThisClass Type ~MgShapeT

getTag() template<class ShapeT, class ContextT = GiContext> int MgShapeT< ShapeT, ContextT >::getTag ( ) const virtual 返回应用程序自定义标记 实现了 MgShape.