.net读取ini配置文件的操作

#region 读取和写入ini文件的操作

        string inipath = System.Windows.Forms.Application.StartupPath + @"\config.ini";

        [DllImport("kernel32")]

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

        /// <summary>

        /// 读取配置ini文件

        /// </summary>

        /// <param name="Section">配置段</param>

        /// <param name="Key">键</param>

        /// <param name="innpath">存放物理路径</param>

        /// <returns></returns>

        public string IniReadValue(string Section, string Key, string innpath)

        {

            StringBuilder temp = new StringBuilder(500);

            GetPrivateProfileString(Section, Key, "", temp, 500, inipath);

            return temp.ToString();

        }

        [DllImport("kernel32")]

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

        /// <summary>

        /// 写入ini文件的操作

        /// </summary>

        /// <param name="Section">配置段</param>

        /// <param name="Key">键</param>

        /// <param name="Value">键值</param>

        /// <param name="inipath">物理路径</param>

        public void IniWriteValue(string Section, string Key, string Value,string inipath)

        {

            WritePrivateProfileString(Section, Key, Value, inipath);

        }

         #endregion

要注意的是[DllImport("kernel32")]必须要放在静态方法之前，而且不能偷懒是读和写都有一次引用。