CollectionConverter.cs 2.1 KB

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  1. //
  2. // System.ComponentModel.CollectionConverter
  3. //
  4. // Authors:
  5. // Martin Willemoes Hansen ([email protected])
  6. // Andreas Nahr ([email protected])
  7. //
  8. // (C) 2003 Martin Willemoes Hansen
  9. // (C) 2003 Andreas Nahr
  10. //
  11. //
  12. // Permission is hereby granted, free of charge, to any person obtaining
  13. // a copy of this software and associated documentation files (the
  14. // "Software"), to deal in the Software without restriction, including
  15. // without limitation the rights to use, copy, modify, merge, publish,
  16. // distribute, sublicense, and/or sell copies of the Software, and to
  17. // permit persons to whom the Software is furnished to do so, subject to
  18. // the following conditions:
  19. //
  20. // The above copyright notice and this permission notice shall be
  21. // included in all copies or substantial portions of the Software.
  22. //
  23. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30. //
  31. using System.Collections;
  32. using System.Globalization;
  33. namespace System.ComponentModel
  34. {
  35. public class CollectionConverter : TypeConverter
  36. {
  37. public CollectionConverter()
  38. {
  39. }
  40. public override object ConvertTo (ITypeDescriptorContext context,
  41. CultureInfo culture, object value, Type destinationType)
  42. {
  43. if (destinationType == typeof (string))
  44. if (value != null && (value is ICollection))
  45. return "(Collection)";
  46. return base.ConvertTo (context, culture, value, destinationType);
  47. }
  48. public override PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context,
  49. object value, Attribute[] attributes)
  50. {
  51. return null;
  52. }
  53. public override bool GetPropertiesSupported (ITypeDescriptorContext context)
  54. {
  55. return false;
  56. }
  57. }
  58. }