C#访问配置文件

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.InteropServices;

using System.IO;



namespace HelloCSharp

{

    //[section]

    //key=value

    //

    class IniHelper

    {

        /// <summary>

        /// ini文件的路径

        /// </summary>

        private string filePath;





        [DllImport("kernel32")]

        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

        [DllImport("kernel32")]

        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);



        public IniHelper(string filePath)

        {

            this.filePath = filePath;

        }



        public void IniWriteValue(string section, string key, string val)

        {

            WritePrivateProfileString(section, key, val, filePath);

        }



        public string IniReadValue(string section, string key)

        {

            StringBuilder temp = new StringBuilder(500);

            GetPrivateProfileString(section, key, "", temp, 500, filePath);

            return temp.ToString();

        }

    }

}