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SafeFindVolumeMountPointHandle.cs 2.5 KiB

il y a 7 ans
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  1. /* Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
  2. *
  3. * Permission is hereby granted, free of charge, to any person obtaining a copy
  4. * of this software and associated documentation files (the "Software"), to deal
  5. * in the Software without restriction, including without limitation the rights
  6. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  7. * copies of the Software, and to permit persons to whom the Software is
  8. * furnished to do so, subject to the following conditions:
  9. *
  10. * The above copyright notice and this permission notice shall be included in
  11. * all copies or substantial portions of the Software.
  12. *
  13. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19. * THE SOFTWARE.
  20. */
  21. using System;
  22. using System.Security;
  23. using Microsoft.Win32.SafeHandles;
  24. namespace Alphaleonis.Win32.Filesystem
  25. {
  26. /// <summary>Represents a wrapper class for a handle used by the FindFirstVolumeMountPoint/FindVolumeMountPointClose methods of the Win32 API.</summary>
  27. [SecurityCritical]
  28. internal sealed class SafeFindVolumeMountPointHandle : SafeHandleZeroOrMinusOneIsInvalid
  29. {
  30. /// <summary>Initializes a new instance of the <see cref="SafeFindVolumeMountPointHandle"/> class.</summary>
  31. private SafeFindVolumeMountPointHandle()
  32. : base(true)
  33. {
  34. }
  35. /// <summary>Initializes a new instance of the <see cref="SafeFindVolumeHandle"/> class.</summary>
  36. /// <param name="handle">The handle.</param>
  37. /// <param name="callerHandle"><see langword="true"/> [owns handle].</param>
  38. public SafeFindVolumeMountPointHandle(IntPtr handle, bool callerHandle) : base(callerHandle)
  39. {
  40. SetHandle(handle);
  41. }
  42. /// <summary>When overridden in a derived class, executes the code required to free the handle.</summary>
  43. /// <returns><see langword="true"/> if the handle is released successfully; otherwise, in the event of a catastrophic failure, <see langword="false"/>.
  44. /// </returns>
  45. protected override bool ReleaseHandle()
  46. {
  47. return NativeMethods.FindVolumeMountPointClose(handle);
  48. }
  49. }
  50. }