[整理]-C# INIFileUtil类

public class INIFileUtil
    {
        /// <summary>
        /// INI文件地址
        /// </summary>
        public string path;
        
        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="INIPath">路径</param>
        public INIFileUtil(string INIPath)
        {
            this.path = INIPath;
        }
        
        /// <summary>
        /// 构造函数
        /// </summary>
        public INIFileUtil()
        {
        }
        
        [DllImport("kernel32",EntryPoint = "WritePrivateProfileString")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        [DllImport("kernel32",EntryPoint = "GetPrivateProfileString")]
        private static extern int GetPrivateProfileString ( string section ,string key , string def , StringBuilder retVal ,int size , string filePath );
        [DllImport("kernel32",EntryPoint = "GetPrivateProfileString")]
        private static extern int GetPrivateProfileString ( string section ,string key , string def , byte[] retVal ,int size , string filePath );
    
        /// <summary>
        /// 写INI文件
        /// </summary>
        /// <param name="Section">分组节点</param>
        /// <param name="Key">关键字</param>
        /// <param name="Value">值</param>
        public void IniWriteValue(string Section, string Key, string Value)
        {
            INIFileUtil.WritePrivateProfileString(Section, Key, Value, this.path);
        }
        
        /// <summary>
        ///  读取INI文件
        /// </summary>
        /// <param name="Section">分组节点</param>
        /// <param name="Key">关键字</param>
        /// <returns></returns>
        public string IniReadValue(string Section, string Key)
        {
            StringBuilder stringBuilder = new StringBuilder(255);
            INIFileUtil.GetPrivateProfileString(Section, Key, "", stringBuilder, 255, this.path);
            return stringBuilder.ToString();
        }
        
        /// <summary>
        /// 读取INI文件
        /// </summary>
        /// <param name="section"></param>
        /// <param name="key"></param>
        /// <returns></returns>
        public byte[] IniReadValues(string section, string key)
        {
            byte[] array = new byte[255];
            INIFileUtil.GetPrivateProfileString(section, key, "", array, 255, this.path);
            return array;
        }
        
        /// <summary>
        /// 删除ini文件下所有段落
        /// </summary>
        public void ClearAllSection()
        {
            this.IniWriteValue(null, null, null);
        }
        
        /// <summary>
        /// 删除ini文件下指定段落下的所有键
        /// </summary>
        /// <param name="Section">指定段</param>
        public void ClearSection(string Section)
        {
            this.IniWriteValue(Section, null, null);
        }
    }