netcore/System.Private.CoreLib/shared/Interop/Windows/Kernel32/Interop.CreateFile.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 using Microsoft.Win32.SafeHandles;
   6 using System;
   7 using System.IO;
   8 using System.Runtime.InteropServices;
   9
  10 internal static partial class Interop
  11 {
  12     internal static partial class Kernel32
  13     {
  14         /// <summary>
  15         /// WARNING: This method does not implicitly handle long paths. Use CreateFile.
  16         /// </summary>
  17         [DllImport(Libraries.Kernel32, EntryPoint = "CreateFileW", SetLastError = true, CharSet = CharSet.Unicode, BestFitMapping = false)]
  18         private static extern SafeFileHandle CreateFilePrivate(
  19             string lpFileName,
  20             int dwDesiredAccess,
  21             System.IO.FileShare dwShareMode,
  22             ref SECURITY_ATTRIBUTES securityAttrs,
  23             System.IO.FileMode dwCreationDisposition,
  24             int dwFlagsAndAttributes,
  25             IntPtr hTemplateFile);
  26
  27         internal static SafeFileHandle CreateFile(
  28             string lpFileName,
  29             int dwDesiredAccess,
  30             System.IO.FileShare dwShareMode,
  31             ref SECURITY_ATTRIBUTES securityAttrs,
  32             System.IO.FileMode dwCreationDisposition,
  33             int dwFlagsAndAttributes,
  34             IntPtr hTemplateFile)
  35         {
  36             lpFileName = PathInternal.EnsureExtendedPrefixIfNeeded(lpFileName);
  37             return CreateFilePrivate(lpFileName, dwDesiredAccess, dwShareMode, ref securityAttrs, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
  38         }
  39     }
  40 }