示例#1
0
 public override void VisitChinaMuseum(ChinaMuseum chinaMuseum)
 {
     Console.WriteLine("在馆内喧哗");;
 }
示例#2
0
 public abstract void VisitChinaMuseum(ChinaMuseum chinaMuseum);
示例#3
0
 public override void VisitChinaMuseum(ChinaMuseum chinaMuseum)
 {
     Console.WriteLine("看完舞蹈，鼓掌！");;
 }