C#中实现读写INI文件中的值

 ////声明读写INI文件的API函数
        [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);

        /// <summary>
        /// 写INI文件
        /// </summary>
        /// <param name="Section"></param>
        /// <param name="Key"></param>
        /// <param name="Value"></param>
        public static void IniWriteValue(string path, string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, path);
        }

        /// <summary>
        /// 读取INI文件指定
        /// </summary>
        /// <param name="Section"></param>
        /// <param name="Key"></param>
        /// <returns></returns>
        public static string IniReadValue(string path, string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(255);
            int i = GetPrivateProfileString(Section, Key, "", temp, 255, path);
            return temp.ToString();
        }