Use (a) Prism for your development

Use (a) Prism for your development
Learn how to build highly composableapplications
12/21/2009
1

KonstantinosPantos
http://blog.pantos.name
http://twitter.com/kpantos
12/21/2009
2

Prism
Composite Application Guidance
Patterns and Practices Group
Targets Silverlight and WPF
Can be used for other kind off applications
Documentation
Libraries
Source Code
Default IoC - Dependency injection mechanism
Can use others Windsor Castle etc.
12/21/2009
3

Unity
IoC Inversion of Control
“Container”
Register Implementations
Lookup based on Interfaces
Dependency Injection
12/21/2009
4

Demo 1
Inversion of Control – Dependency Injection
12/21/2009
5

Using Unity
Pros
Loosely coupled software
Cons
Independent libraries
Deployment
Have to put the libraries in the right folder at the right time.
Fusion resolution
What if I want to Load types from disk, web site, etc
What if I want to Load types on Demand
Assemblies’ dependencies
Registration ordering matters have to know the registration order. What happens for hundreds of assemblies?
12/21/2009
6

Prism to the rescue
Modularity
List / Catalog / Set Modules
Dependencies on other modules
Flexibly loaded
File System, Web, XAP
Delay Loaded (i.e. only load on demand)
Module self - initialization
12/21/2009
7

Demo 2
Modularity - Prism
12/21/2009
8

Using Prism
Quite a bit of Code
IServiceLocator
UnityContainer
IModuleInitilizer
IModuleCatalog
IModuleManager
Bootstrappersolves all that!
12/21/2009
9

Demo 3
Bootstrapper
12/21/2009
10

Prism in Silverlight
Coming Next
Most elaborate Hello World application
Shells, Regions, Views
Commands
Event Aggregation
Region Context
12/21/2009
11

Demo 4
Most elaborate Hello World! application
12/21/2009
12

Stuff
Unityhttp://www.codeplex.com/Unity
Prism
http://www.codeplex.com/Prism
ServiceLocatorhttp://msdn.microsoft.com/en-us/library/dd464679(VS.85).aspx
Patterns and Practiceshttp://msdn.microsoft.com/en-us/practices/default.aspx
12/21/2009
13

Thank you
12/21/2009
14

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Use (a) Prism for your development

by kpantos on Dec 20, 2009

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Use (a) Prism for your development — Presentation Transcript