C#改变文件属性

 1 string path   =   @"c:\temp\MyTest.txt";   
 2  //   check  file.   
 3  if(!File.Exists(path))     
 4  {   
 5     File.Create(path);   
 6  }   
 7  if((File.GetAttributes(path)&FileAttributes.Hidden)==FileAttributes.Hidden)     
 8  {   
 9     //Show the file.   
10     File.SetAttributes(path,FileAttributes.Archive);   
11     Console.WriteLine("The   {0}   file   is   no   longer   hidden.",   path);   
12  }     
13  else     
14  {   
15      //Hide   the   file. 
16      File.SetAttributes(path,   File.GetAttributes(path)|FileAttributes.Hidden);   
17      Console.WriteLine("The   {0}   file   is   now   hidden.",   path);   
18 }