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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		var domainObject = new DomainObject("Leri");
  8. 		var dto = domainObject.ToDTO();
  9.  
  10. 		Console.WriteLine(dto.Name);
  11. 	}
  12. }
  13.  
  14. public class DomainObject {
  15. 	private readonly string _name;
  16.  
  17. 	public string Name { get { return _name; } }
  18.  
  19. 	// some useful methods
  20.  
  21. 	public DomainObject(string name) {
  22. 		_name = name;
  23. 	}
  24. }
  25.  
  26. public class DataTransferObject {
  27. 	public string Name { get; set; }
  28. }
  29.  
  30. public static class ConverterExtension {
  31. 	public static DataTransferObject ToDTO(this DomainObject domainObject) {
  32. 		/**
  33. 		 * Always check for null because extension calls are not virtual calls
  34. 		 * so NullReferenceException won\'t be thrown if called on null.
  35. 		 */ 
  36. 		if (domainObject == null) {
  37. 			throw new ArgumentNullException("domainObject");
  38. 		}
  39.  
  40. 		return new DataTransferObject {
  41. 			Name = domainObject.Name
  42. 		};
  43. 	}
  44. }
Success #stdin #stdout 0.02s 33872KB
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Leri
https://ideone.com/aaM9mB
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
secret

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