This document discusses dependency injection and inversion of control design patterns. It recommends using dependency injection frameworks like Castle Project, Spring.NET, and Unity as they provide benefits like flexibility, configurability, and testability. It provides examples of how dependency injection allows switching behaviors through configuration rather than recompiling code. The document also covers interceptors, listeners, and other advanced topics but does not discuss type converters, sockets, or WCF integration in depth.

1. Better Application Design

2. Better Application Design Caleb Jenkins “ Dependency Injection Microsoft Silverlight ” with

9. email [email_address] Caleb Jenkins Principal Consultant blog developingUX.com twitter . com/calebjenkins Sample code at: http://developingux.com/ioc

10. developingUX.com www.ImprovingEnterprises.com http://CommunityCast.tv http://ineta.org

11. Dependency Injection, Inversion of Control and the Strategy Pattern

12. Dependency Injection, Inversion of Control and the Strategy Pattern

13. Our Hero

14. has a quest

15. to slay the dragon

16. Our Hero The Dragon

17. The Dragon

18. but what if we wanted to

19. but what if we wanted to rescue the princess,

20. but what if we wanted to defend the castle rescue the princess,

21. but what if we wanted to defend the castle use a horse and lance? rescue the princess,

22. ?

23. The Dragon

24. a better way or

35. DI is: More Flexible! More Configurable! More Testable!

39. IoC / DI Frameworks http://www.castleproject.org/ http://www.springframework.net/ http://ninject.org/ http://www.codeplex.com/unity Policy Injection Application Block structuremap.sourceforge.net

43. Interceptors and Listeners The Knight is off to Slay the Dragon! The Knight just slayed the Dragon! It took :22 seconds!

44. Interceptors and Listeners Slay the Dragon Security Must be a King with a Beautiful Reward Multi-Threading Invoke UI Thread Logging Knight is about to Slay the Dragon

46. Most “complete” stack ASP.NET Mono Rail Micro Kernel Windsor Kernel Active Record nHibernate Visual Studio Tooling Mature Community Integrates with ASP.NET MVC ASP.NET | Sharepoint Winforms | WPF | WCF | WF Console Apps http://www.castleproject.org/

48. “ Spring Framework” is THE way to do JAVA development Spring .NET is the .NET equivalent Perfect bridge for Java Spring developers moving to .NET Interface 21 http://www.springframework.net/

50. My current DI “crush” Light weight / super fast DI (Integrates with Castle for IoC / AOP) .NET Silverlight Windows Mobile No XML Config (Fluent Config)

52. From Microsoft Integration with other Application Blocks Microsoft Support http://www.codeplex.com/unity http://www.codeplex.com/ObjectBuilder

53. http://www.castleproject.org/ http://www.springframework.net/ http://ninject.org/ http://www.codeplex.com/unity Policy Injection Application Block structuremap.sourceforge.net

54. Not Covered

56. http://www.infragistics.com/hot/silverlight.aspx#InfragisticsandSilverlight

57. Not Covered

58. Not Covered Type Converters Sockets Deployment Options DataGrid Dynamically Loading Assemblies WCF Integration Advanced Debugging More More More More More

60. Questions?

61. copyright

62. [all images in this presentation are the property and copyright of their owners… Most of which I just found on the Internet and really have no idea who that might be.] copyright

63. email [email_address] Caleb Jenkins Principal Consultant blog developingUX.com twitter . com/calebjenkins

64. developingUX.com www.ImprovingEnterprises.com http://CommunityCast.tv http://ineta.org

65. Thank you Sample code at: developing ux .com / ioc