C# (CSharp) Demo ConcreteElementA示例

示例#1

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

示例#2

 public abstract void VisitConcreteElementA(ConcreteElementA concreteElementA);