UpdateFileAttribute

代码说明：

  　C#更新或修改文件属性，改变文件的“只读、存档、系统、隐藏”四种属性的状态，在以前所发的初学代码中，也有类似功能的例子，两者比较一下，看一看哪一种比较适合自己哦(C# to update or modify file attributes, change the file read-only, archive, system, hidden " four properties state in beginner code issued, there are examples of similar features, compare both to see which A more suitable yourself Oh)