NTFSSecurity-Module/AlphaFS/Filesystem/Native Structures/BY_HANDLE_FILE_INFORMATION.cs

/*  Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
 *  
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 *  of this software and associated documentation files (the "Software"), to deal 
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using System.IO;
using System.Runtime.InteropServices;

namespace Alphaleonis.Win32.Filesystem
{
   internal static partial class NativeMethods
   {
      /// <summary>Contains information that the GetFileInformationByHandle function retrieves.</summary>
      [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
      internal struct BY_HANDLE_FILE_INFORMATION
      {
         /// <summary>The file attributes.</summary>
         public readonly FileAttributes dwFileAttributes;

         /// <summary>A <see cref="FILETIME"/> structure that specifies when a file or directory is created.</summary>
         public readonly FILETIME ftCreationTime;

         /// <summary>A <see cref="FILETIME"/> structure. For a file, the structure specifies the last time that a file is read from or written to.
         /// For a directory, the structure specifies when the directory is created.
         /// For both files and directories, the specified date is correct, but the time of day is always set to midnight.
         /// </summary>
         public readonly FILETIME ftLastAccessTime;

         /// <summary>A <see cref="FILETIME"/> structure. For a file, the structure specifies the last time that a file is written to.
         /// For a directory, the structure specifies when the directory is created.</summary>
         public readonly FILETIME ftLastWriteTime;

         /// <summary>The serial number of the volume that contains a file.</summary>
         [MarshalAs(UnmanagedType.U4)]
         public readonly int dwVolumeSerialNumber;

         /// <summary>The high-order part of the file size.</summary>
         [MarshalAs(UnmanagedType.U4)]
         public readonly uint nFileSizeHigh;

         /// <summary>The low-order part of the file size.</summary>
         [MarshalAs(UnmanagedType.U4)]
         public readonly uint nFileSizeLow;

         /// <summary>The number of links to this file. For the FAT file system this member is always 1. For the NTFS file system, it can be more than 1.</summary>
         [MarshalAs(UnmanagedType.U4)]
         public readonly int nNumberOfLinks;

         /// <summary>The high-order part of a unique identifier that is associated with a file.</summary>
         [MarshalAs(UnmanagedType.U4)]
         public readonly uint nFileIndexHigh;

         /// <summary>The low-order part of a unique identifier that is associated with a file.</summary>
         [MarshalAs(UnmanagedType.U4)]
         public readonly uint nFileIndexLow;
      }
   }
}