public override void VisitConcretElementA(ConcreteElementA elementA)
{
Console.WriteLine("元素{0}被{1}访问中....", elementA.GetType().Name, this.GetType().Name);
//Anything else
}
public override void VisitConcretElementA(ConcreteElementA elementA)
{
Console.WriteLine("元素{0}被{1}访问中....", elementA.GetType().Name, this.GetType().Name);
//Anything else
}
public abstract void VisitConcretElementA(ConcreteElementA elementA);
public abstract void VisitConcretElementA(ConcreteElementA elementA);