C#의 어려움을 하나씩 해결함(1): ref 매개변수 전달

using System; 

/****************************** 
* Chapter:C#难点逐个击破（一） 
* Author:王洪剑 
* Date:2010-1-11 
* Blog:http://www.51obj.cn/ 
* Email:walkingp@126.com 
* Description:重点讲解值传递方式与引用传递方式 
* ***************************/ 
namespace Wang.TestRef 
{ 
public class NormalClass 
{ 
public void ShowNormalResult(string name) 
{ 
name = "Wang Hongjian"; 
Console.WriteLine(name); 
} 
} 
public class RefClass 
{ 
/// <summary> 
/// 引用类型ref类 
/// </summary> 
/// <param name="name"></param> 
public void ShowRefResult(ref string name) 
{ 
name = "Wang Hongjian"; 
Console.WriteLine(name); 
} 
} 
class Program 
{ 
static void Main(string[] args) 
{ 
string _name = "Zhou Runfa";//传递参数 

#region 值传递参数方式 
NormalClass n = new NormalClass(); 
n.ShowNormalResult(_name);//正常调用 
#endregion 

#region 引用传递参数方式 
RefClass o = new RefClass(); 
o.ShowRefResult(ref _name);//结果仍然为引用传递参数 
Console.ReadKey(); 
#endregion 
} 
} 
}