4. Extensiblity Extensibility is an ability to design an application in such a manner so that 3rd party vendor can come along and customize it. Extensibility does not require the application to be redeployed. Extensible applications are flexible on client needs. Examples : Microsoft Office, Skype, World Warcraft etc.
6. Benefits of Extensible application Reusability Modularizing Loose Coupling Greater Momentum Support for 3rd party vendors Feeling of Ownership
7. Problems of Extensible application Development process is more complex. Architecture should be thought before actual development begins. Security More error prone
14. MEF Architecture Catalog CustomExportProvider CatalogExportProvider AggregatingExportProvider CompositionContainer Part Part Part Export Import Export Import Export Import
15. MEF Catalog Discovers and maintain extensions CompositionContainer Coordinate creations and satisfy dependencies ComposablePart Are Imports and Exports that are composable to the Container Support for LAZY Support for Dynamic Recomposition
17. Finally Visual Studio is rich with MEF components They export functionality that your code might need. They import functionality that your code might offer. Your extension can export: IWPFTextViewMarginProvider ITaggerProvider IMouseProcessorProvider ICompletionSourceProvider There are lots more…….