C# 隐藏文件

 　　　　void SerializeXmlNodes(XmlSerializer serialize, string filePath, List<XmlNode> nodes)
        {
            using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write))
            {

                serialize.Serialize(fs, nodes);
                var fi=new FileInfo(filePath) {Attributes = FileAttributes.Hidden};
            }
        }