private const char CommentDelimiter = ';';

        [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 static void IniWriteValue(string filePath, string section, string key, string value, string comment)
        {
            var str = string.Format(" {0}", value);
            if (comment != null) str += string.Format(" {0} {1} ", CommentDelimiter, comment);
            WritePrivateProfileString(section, key, str, filePath);
        }

        public static string IniReadValue(string filePath, string section, string key)
        {
            var temp = new StringBuilder(255);
            GetPrivateProfileString(section, key, "", temp, 255, filePath);
            return temp.ToString().Split(CommentDelimiter)[0].Trim();
        }