//

 // Copyright (C) 2014-2015 Stéphane Lenclud.

 //

 // This file is part of SharpLibHid.

 //

 // SharpDisplayManager is free software: you can redistribute it and/or modify

 // it under the terms of the GNU General Public License as published by

 // the Free Software Foundation, either version 3 of the License, or

 // (at your option) any later version.

 //

 // SharpDisplayManager is distributed in the hope that it will be useful,

 // but WITHOUT ANY WARRANTY; without even the implied warranty of

 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 // GNU General Public License for more details.

 //

 // You should have received a copy of the GNU General Public License

 // along with SharpDisplayManager.  If not, see <http://www.gnu.org/licenses/>.

 //

 using System;

 using System.Runtime.InteropServices;

 using Microsoft.Win32.SafeHandles;

 namespace SharpLib.Win32

 {

     static partial class Function

     {

         [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]

         public static extern SafeFileHandle CreateFile(

              [MarshalAs(UnmanagedType.LPTStr)] string lpFileName,

              [MarshalAs(UnmanagedType.U4)] FileAccess dwDesiredAccess,

              [MarshalAs(UnmanagedType.U4)] FileShare dwShareMode,

              IntPtr lpSecurityAttributes, // optional SECURITY_ATTRIBUTES struct or IntPtr.Zero

              [MarshalAs(UnmanagedType.U4)] CreationDisposition dwCreationDisposition,

              [MarshalAs(UnmanagedType.U4)] FileFlagsAttributes dwFlagsAndAttributes,

              IntPtr hTemplateFile);

         [DllImport("kernel32.dll", CharSet = CharSet.Ansi, SetLastError = true)]

         public static extern SafeFileHandle CreateFileA(

              [MarshalAs(UnmanagedType.LPStr)] string lpFileName,

              [MarshalAs(UnmanagedType.U4)] FileAccess dwDesiredAccess,

              [MarshalAs(UnmanagedType.U4)] FileShare dwShareMode,

              IntPtr lpSecurityAttributes,

              [MarshalAs(UnmanagedType.U4)] CreationDisposition dwCreationDisposition,

              [MarshalAs(UnmanagedType.U4)] FileFlagsAttributes dwFlagsAndAttributes,

              IntPtr hTemplateFile);

         [DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]

         public static extern SafeFileHandle CreateFileW(

              [MarshalAs(UnmanagedType.LPWStr)] string lpFileName,

              [MarshalAs(UnmanagedType.U4)] FileAccess dwDesiredAccess,

              [MarshalAs(UnmanagedType.U4)] FileShare dwShareMode,

              IntPtr lpSecurityAttributes,

              [MarshalAs(UnmanagedType.U4)] CreationDisposition dwCreationDisposition,

              [MarshalAs(UnmanagedType.U4)] FileFlagsAttributes dwFlagsAndAttributes,

              IntPtr hTemplateFile);

     }

     static partial class Macro

     {

     }

     static partial class Const

     {

     }

     [Flags]

     enum FileAccess : uint

     {

         NONE = 0,

         GENERIC_ALL = 0x10000000,

         GENERIC_EXECUTE = 0x20000000,

         GENERIC_READ = 0x80000000,

         GENERIC_WRITE = 0x40000000,

         FILE_READ_DATA = (0x0001),  // file & pipe

         FILE_LIST_DIRECTORY = (0x0001),  // directory

         FILE_WRITE_DATA = (0x0002),   // file & pipe

         FILE_ADD_FILE = (0x0002),  // directory

         FILE_APPEND_DATA = (0x0004), // file

         FILE_ADD_SUBDIRECTORY = (0x0004),  // directory

         FILE_CREATE_PIPE_INSTANCE = (0x0004),   // named pipe

         FILE_READ_EA = (0x0008),  // file & directory

         FILE_WRITE_EA = (0x0010),    // file & directory

         FILE_EXECUTE = (0x0020),    // file

         FILE_TRAVERSE = (0x0020),    // directory

         FILE_DELETE_CHILD = (0x0040),    // directory

         FILE_READ_ATTRIBUTES = (0x0080),    // all

         FILE_WRITE_ATTRIBUTES = (0x0100),    // all

         FILE_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0x1FF),

         FILE_GENERIC_READ = (STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE),

         FILE_GENERIC_WRITE = (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE),

         FILE_GENERIC_EXECUTE = (STANDARD_RIGHTS_EXECUTE | FILE_READ_ATTRIBUTES | FILE_EXECUTE | SYNCHRONIZE),

         DELETE = (0x00010000),

         READ_CONTROL = (0x00020000),

         WRITE_DAC = (0x00040000),

         WRITE_OWNER = (0x00080000),

         SYNCHRONIZE = (0x00100000),

         STANDARD_RIGHTS_REQUIRED = (0x000F0000),

         STANDARD_RIGHTS_READ = (READ_CONTROL),

         STANDARD_RIGHTS_WRITE = (READ_CONTROL),

         STANDARD_RIGHTS_EXECUTE = (READ_CONTROL),

         STANDARD_RIGHTS_ALL = (0x001F0000),

         SPECIFIC_RIGHTS_ALL = (0x0000FFFF),

         ACCESS_SYSTEM_SECURITY = (0x01000000),

         MAXIMUM_ALLOWED = (0x02000000)

     }

     [Flags]

     public enum FileShare : uint

     {

         /// <summary>

         /// Prevents other processes from opening a file or device if they request delete, read, or write access.

         /// </summary>

         FILE_SHARE_NONE = 0x00000000,

         /// <summary>

         /// Enables subsequent open operations on an object to request read access.

         /// Otherwise, other processes cannot open the object if they request read access.

         /// If this flag is not specified, but the object has been opened for read access, the function fails.

         /// </summary>

         FILE_SHARE_READ = 0x00000001,

         /// <summary>

         /// Enables subsequent open operations on an object to request write access.

         /// Otherwise, other processes cannot open the object if they request write access.

         /// If this flag is not specified, but the object has been opened for write access, the function fails.

         /// </summary>

         FILE_SHARE_WRITE = 0x00000002,

         /// <summary>

         /// Enables subsequent open operations on an object to request delete access.

         /// Otherwise, other processes cannot open the object if they request delete access.

         /// If this flag is not specified, but the object has been opened for delete access, the function fails.

         /// </summary>

         FILE_SHARE_DELETE = 0x00000004

     }

     public enum CreationDisposition : uint

     {

         /// <summary>

         /// Creates a new file. The function fails if a specified file exists.

         /// </summary>

         CREATE_NEW = 1,

         /// <summary>

         /// Creates a new file, always.

         /// If a file exists, the function overwrites the file, clears the existing attributes, combines the specified file attributes,

         /// and flags with FILE_ATTRIBUTE_ARCHIVE, but does not set the security descriptor that the SECURITY_ATTRIBUTES structure specifies.

         /// </summary>

         CREATE_ALWAYS = 2,

         /// <summary>

         /// Opens a file. The function fails if the file does not exist.

         /// </summary>

         OPEN_EXISTING = 3,

         /// <summary>

         /// Opens a file, always.

         /// If a file does not exist, the function creates a file as if dwCreationDisposition is CREATE_NEW.

         /// </summary>

         OPEN_ALWAYS = 4,

         /// <summary>

         /// Opens a file and truncates it so that its size is 0 (zero) bytes. The function fails if the file does not exist.

         /// The calling process must open the file with the GENERIC_WRITE access right.

         /// </summary>

         TRUNCATE_EXISTING = 5

     }

     [Flags]

     public enum FileFlagsAttributes : uint

     {

         FILE_ATTRIBUTE_READONLY = 0x00000001,

         FILE_ATTRIBUTE_HIDDEN = 0x00000002,

         FILE_ATTRIBUTE_SYSTEM = 0x00000004,

         FILE_ATTRIBUTE_DIRECTORY = 0x00000010,

         FILE_ATTRIBUTE_ARCHIVE = 0x00000020,

         FILE_ATTRIBUTE_DEVICE = 0x00000040,

         FILE_ATTRIBUTE_NORMAL = 0x00000080,

         FILE_ATTRIBUTE_TEMPORARY = 0x00000100,

         FILE_ATTRIBUTE_SPARSE_FILE = 0x00000200,

         FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400,

         FILE_ATTRIBUTE_COMPRESSED = 0x00000800,

         FILE_ATTRIBUTE_OFFLINE = 0x00001000,

         FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x00002000,

         FILE_ATTRIBUTE_ENCRYPTED = 0x00004000,

         FILE_ATTRIBUTE_INTEGRITY_STREAM = 0x00008000,

         FILE_ATTRIBUTE_VIRTUAL = 0x00010000,

         FILE_ATTRIBUTE_NO_SCRUB_DATA = 0x00020000,

         //  These are flags supported through CreateFile (W7) and CreateFile2 (W8 and beyond)

         FILE_FLAG_WRITE_THROUGH = 0x80000000,

         FILE_FLAG_OVERLAPPED = 0x40000000,

         FILE_FLAG_NO_BUFFERING = 0x20000000,

         FILE_FLAG_RANDOM_ACCESS = 0x10000000,

         FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000,

         FILE_FLAG_DELETE_ON_CLOSE = 0x04000000,

         FILE_FLAG_BACKUP_SEMANTICS = 0x02000000,

         FILE_FLAG_POSIX_SEMANTICS = 0x01000000,

         FILE_FLAG_SESSION_AWARE = 0x00800000,

         FILE_FLAG_OPEN_REPARSE_POINT = 0x00200000,

         FILE_FLAG_OPEN_NO_RECALL = 0x00100000,

         FILE_FLAG_FIRST_PIPE_INSTANCE = 0x00080000

     }

 }