c#改变文件属性.txt

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string path   =   @"c:\temp\MyTest.txt";   
 //   Delete   the   file   if   it   exists.   
 if(!File.Exists(path))     
 {   
    File.Create(path);   
 }   
 if((File.GetAttributes(path)&FileAttributes.Hidden)==FileAttributes.Hidden)     
 {   
    //Show the file.   
    File.SetAttributes(path,FileAttributes.Archive);   
    Console.WriteLine("The   {0}   file   is   no   longer   hidden.",   path);   
 }     
 else     
 {   
     //Hide   the   file. 
     File.SetAttributes(path,   File.GetAttributes(path)|FileAttributes.Hidden);   
     Console.WriteLine("The   {0}   file   is   now   hidden.",   path);   
}