C# ini编辑类

iniClass.cs

 class INIClass
    {
        public string inipath;
        [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>
        /// 构造方法
        /// </summary>
        /// <param name="INIPath">文件路径</param>
        public INIClass(string INIPath)
        {
            inipath = INIPath;
        }


        /// <summary>
        /// 写入INI文件
        /// </summary>
        /// <param name="Section">分组名称(如 [TypeName] )</param>
        /// <param name="Key">键</param>
        /// <param name="Value">值</param>
        public void IniWriteValue(string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, this.inipath);
        }

        /// <summary>
        /// 读出INI文件
        /// </summary>
        /// <param name="Section">分组名称(如 [TypeName] )</param>
        /// <param name="Key">键</param>
        public string IniReadValue(string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(500);
            /*if (GetPrivateProfileString(Section, Key, "", temp, 500, this.inipath) != 0) { return temp.ToString(); }
            else { throw new Exception("读取配置失败"); return ""; }*/

            if (!File.Exists(inipath))
            {
                throw new Exception("找不到这个文件。");
            }
            else if (GetPrivateProfileString(Section, Key, "", temp, 500, this.inipath) == 0)
            {
                throw new Exception(Key + "不存在。");
            }
            return temp.ToString();
        }


        /// <summary>
        /// 验证文件是否存在
        /// </summary>
        /// <returns>布尔值</returns>
        public bool ExistINIFile()
        {
            return File.Exists(inipath);
        }
    }