_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

setTag() template<class ShapeT, class ContextT = GiContext> void MgShapeT< ShapeT, ContextT >::setTag ( int  tag ) virtual 设置应用程序自定义标记，可由此扩展数据 实现了 MgShape. 这是这个函数的调用关系图: