C#中读写INI配置文件的方法

[Server]
Name=localhost
[DB]
Name=NorthWind
[User]
Name=sa

using System;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;
namespace PubOp
{
  public class OperateIniFile
  {
    #region API函数声明
    [DllImport("kernel32")]//返回0表示失败，非0为成功
    private static extern long WritePrivateProfileString(string section,string key,
      string val,string filePath);
    [DllImport("kernel32")]//返回取得字符串缓冲区的长度
    private static extern long GetPrivateProfileString(string section,string key,
      string def,StringBuilder retVal,int size,string filePath);
    #endregion
    #region 读Ini文件
    public static string ReadIniData(string Section,string Key,string NoText,string iniFilePath)
    {
      if(File.Exists(iniFilePath))
      {
        StringBuilder temp = new StringBuilder(1024);
        GetPrivateProfileString(Section,Key,NoText,temp,1024,iniFilePath);
        return temp.ToString();
      }
      else
      {
        return String.Empty;
      }
    }
    #endregion
    #region 写Ini文件
    public static bool WriteIniData(string Section,string Key,string Value,string iniFilePath)
    {
      if(File.Exists(iniFilePath))
      {
        long OpStation = WritePrivateProfileString(Section,Key,Value,iniFilePath);  
        if(OpStation == 0)
        {
          return false;
        }
        else
        {
          return true;
        }
      }
      else
      {
        return false;
      }
    }
    #endregion
  }
}