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93 lines
5.6 KiB
93 lines
5.6 KiB
/* Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace Alphaleonis.Win32.Filesystem
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{
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internal static partial class NativeMethods
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{
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/// <summary>Contains information about the file that is found by the FindFirstFile, FindFirstFileEx, or FindNextFile function.</summary>
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/// <remarks>
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/// If a file has a long file name, the complete name appears in the cFileName member, and the 8.3 format truncated version of the name appears
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/// in the cAlternateFileName member. Otherwise, cAlternateFileName is empty. If the FindFirstFileEx function was called with a value of FindExInfoBasic
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/// in the fInfoLevelId parameter, the cAlternateFileName member will always contain a <see langword="null"/> string value. This remains true for all subsequent calls to the
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/// FindNextFile function. As an alternative method of retrieving the 8.3 format version of a file name, you can use the GetShortPathName function.
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/// For more information about file names, see File Names, Paths, and Namespaces.
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/// </remarks>
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/// <remarks>
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/// Not all file systems can record creation and last access times, and not all file systems record them in the same manner.
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/// For example, on the FAT file system, create time has a resolution of 10 milliseconds, write time has a resolution of 2 seconds,
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/// and access time has a resolution of 1 day. The NTFS file system delays updates to the last access time for a file by up to 1 hour
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/// after the last access. For more information, see File Times.
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/// </remarks>
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
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[SerializableAttribute]
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internal struct WIN32_FIND_DATA
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{
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/// <summary>The file attributes of a file.</summary>
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public FileAttributes dwFileAttributes;
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/// <summary>A <see cref="FILETIME"/> structure that specifies when a file or directory was created.
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/// If the underlying file system does not support creation time, this member is zero.</summary>
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public FILETIME ftCreationTime;
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/// <summary>A <see cref="FILETIME"/> structure.
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/// For a file, the structure specifies when the file was last read from, written to, or for executable files, run.
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/// For a directory, the structure specifies when the directory is created. If the underlying file system does not support last access time, this member is zero.
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/// On the FAT file system, the specified date for both files and directories is correct, but the time of day is always set to midnight.
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/// </summary>
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public FILETIME ftLastAccessTime;
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/// <summary>A <see cref="FILETIME"/> structure.
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/// For a file, the structure specifies when the file was last written to, truncated, or overwritten, for example, when WriteFile or SetEndOfFile are used.
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/// The date and time are not updated when file attributes or security descriptors are changed.
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/// For a directory, the structure specifies when the directory is created. If the underlying file system does not support last write time, this member is zero.
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/// </summary>
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public FILETIME ftLastWriteTime;
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/// <summary>The high-order DWORD of the file size. This member does not have a meaning for directories.
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/// This value is zero unless the file size is greater than MAXDWORD.
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/// The size of the file is equal to (nFileSizeHigh * (MAXDWORD+1)) + nFileSizeLow.
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/// </summary>
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public uint nFileSizeHigh;
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/// <summary>The low-order DWORD of the file size. This member does not have a meaning for directories.</summary>
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public uint nFileSizeLow;
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/// <summary>If the dwFileAttributes member includes the FILE_ATTRIBUTE_REPARSE_POINT attribute, this member specifies the reparse point tag.
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/// Otherwise, this value is undefined and should not be used.
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/// </summary>
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public readonly ReparsePointTag dwReserved0;
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/// <summary>Reserved for future use.</summary>
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private readonly uint dwReserved1;
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/// <summary>The name of the file.</summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MaxPath)] public string cFileName;
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/// <summary>An alternative name for the file. This name is in the classic 8.3 file name format.</summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 14)] public string cAlternateFileName;
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}
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}
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}
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