Csharp/CSharp Tutorial/File Directory Stream/File Attribute

FileAttributes enumeration

using System;
using System.Windows.Forms;
using System.IO;
class MainClass
{
  public static void DecipherAttributes(FileAttributes f) 
  {
    if ((f & FileAttributes.Archive) == FileAttributes.Archive)
      Console.WriteLine("Archive");
    if ((f & FileAttributes.rupressed) == FileAttributes.rupressed)
      Console.WriteLine("Compressed");
    if ((f & FileAttributes.Device) == FileAttributes.Device)
      Console.WriteLine("Device");
    if ((f & FileAttributes.Directory)   == FileAttributes.Directory)
      Console.WriteLine("Directory");
    if ((f & FileAttributes.Encrypted)  == FileAttributes.Encrypted)
      Console.WriteLine("Encrypted");
    if ((f & FileAttributes.Hidden)  == FileAttributes.Hidden)
      Console.WriteLine("Hidden");
    if ((f & FileAttributes.NotContentIndexed)  == FileAttributes.NotContentIndexed)
      Console.WriteLine("NotContentIndexed");
    if ((f & FileAttributes.Offline)  == FileAttributes.Offline)
      Console.WriteLine("Offline");
    if ((f & FileAttributes.ReadOnly)  == FileAttributes.ReadOnly)
      Console.WriteLine("ReadOnly");
    if ((f & FileAttributes.ReparsePoint)  == FileAttributes.ReparsePoint)
      Console.WriteLine("ReparsePoint");
    if ((f & FileAttributes.SparseFile)  == FileAttributes.SparseFile)
      Console.WriteLine("SparseFile");
    if ((f & FileAttributes.System)  == FileAttributes.System)
      Console.WriteLine("System");
    if ((f & FileAttributes.Temporary)  == FileAttributes.Temporary)
      Console.WriteLine("Temporary");
  }
  public static void Main() 
  {
    OpenFileDialog dlgOpen = new OpenFileDialog();
    if (dlgOpen.ShowDialog() == DialogResult.OK)
    {
      FileAttributes f = File.GetAttributes(dlgOpen.FileName);
      Console.WriteLine("Filename " + dlgOpen.FileName + " has attributes:");
      DecipherAttributes(f);
    }
  }
}

FileAttributes.ReadOnly

using System;
using System.IO;
static class MainClass
{
    static void Main()
    {
        FileInfo file = new FileInfo("data.txt");
        Console.WriteLine(file.Attributes.ToString());
        // This test fails, because other attributes are set.
        if (file.Attributes == FileAttributes.ReadOnly)
        {
            Console.WriteLine("File is read-only (faulty test).");
        }
        if ((file.Attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
        {
            Console.WriteLine("File is read-only (correct test).");
        }
    }
}

Archive, NotContentIndexed