示例#1
0
 public abstract void VisitConcreteElementA(ConcreteElementA concreteElementA);
示例#2
0
 public override void VisitConcreteElementA(ConcreteElementA concreteElementA)
 {
     Console.WriteLine("{0} 被 {1} 访问", concreteElementA.GetType().Name, this.GetType().Name);
 }