using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
 
namespace ToolsLibrary
{
    public class IniFile
    {
        public string path;             //INI文件名 
         
        //声明写INI文件的API函数
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
         
        //声明读INI文件的API函数
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);
 
        //类的构造函数，传递INI文件的路径和文件名
        public IniFile(string INIPath) 
        { 
            path = INIPath; 
        } 
 
        //写INI文件
        public void IniWriteValue(string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, path);
        }
 
        //读取INI文件
        public string IniReadValue(string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(255);
            int i = GetPrivateProfileString(Section, Key, "", temp, 255, path);
            return temp.ToString();
        }
      
    } 
}

IniFile ini = new IniFile("C://config.ini"); 
BucketName = ini.IniReadValue("operatorinformation","bucket");
OperatorName = ini.IniReadValue("operatorinformation", "operatorname");
OperatorPwd = ini.IniReadValue("operatorinformation", "operatorpwd");

IniFile ini = new IniFile("C://config.ini"); 
ini.IniWriteValue("operatorinformation", "bucket", BucketName);
ini.IniWriteValue("operatorinformation", "operatorname", OperatorName);
ini.IniWriteValue("operatorinformation", "operatorpwd", OperatorPwd);