using System;class ID{ //定義枚舉類型 public enum Sex { male, female };//注意別忘了這里的分號 //定義電話本的結構類型 public struct TelBook { public string name; public Sex sex;//性別類型為枚舉類型 public string number; } //每一行打印一位用戶的電話本信息 public static void TelPrint( TelBook Someone ) { Console.Write( Someone.name + "/t"); Console.Write( Someone.sex + "/t"); Console.Write( Someone.number + "/r/n"); } public static void Main() { TelBook Joey, Rose;//聲明TelBook結構類型兩位用戶Joey和Rose Joey.name= "Joey"; //初始化Joey電話本信息 Joey.sex= Sex.male; Joey.number = "84113128"; Rose.name = "Rose";//初始化Rose電話本信息 Rose.sex = Sex.female; Rose.number = "84117456"; TelPrint ( Joey ); //打印兩位用戶的電話本 TelPrint ( Rose ); }}