.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。