AsyncFlowControl.cs 1.7 KB

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  1. //
  2. // System.Threading.AsyncFlowControl structure
  3. //
  4. // Author:
  5. // Sebastien Pouliot <[email protected]>
  6. //
  7. // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  8. //
  9. // Permission is hereby granted, free of charge, to any person obtaining
  10. // a copy of this software and associated documentation files (the
  11. // "Software"), to deal in the Software without restriction, including
  12. // without limitation the rights to use, copy, modify, merge, publish,
  13. // distribute, sublicense, and/or sell copies of the Software, and to
  14. // permit persons to whom the Software is furnished to do so, subject to
  15. // the following conditions:
  16. //
  17. // The above copyright notice and this permission notice shall be
  18. // included in all copies or substantial portions of the Software.
  19. //
  20. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27. //
  28. #if NET_2_0
  29. using System;
  30. using System.Globalization;
  31. using System.Runtime.InteropServices;
  32. namespace System.Threading {
  33. [ComVisibleAttribute (false)]
  34. public struct AsyncFlowControl : IDisposable {
  35. private bool _undo;
  36. [MonoTODO]
  37. public void Undo ()
  38. {
  39. if (_undo) {
  40. throw new InvalidOperationException (Locale.GetText (
  41. "Can only be called once."));
  42. }
  43. // TODO
  44. _undo = true;
  45. }
  46. void IDisposable.Dispose ()
  47. {
  48. if (!_undo)
  49. Undo ();
  50. }
  51. }
  52. }
  53. #endif