Presented by Nico Vermeir.

1. Building a charming
application
@NicoVermeir

2. Who am I?
www.spikie.be
Nico_vermeir
@NicoVermeir
@hotmail.com

3. Agenda
• What are charms?
• Search contract
• Share contract
• Share source
• Share target
• Settings contract
• Take aways

4. What are charms?
• Universal way of doing tasks that are found in most applications
• Found on the charms bar
• Win + C

5. What are charms?
Searching throughout the Operating System and inside apps
Share content between applications
Application or OS settings

6. Search contract
• Add search page
• Implement search
• Add filters
• Add search suggestions
• From code
• From a folder
• From an OpenSearch API

7. DEMO
Search contract

8. Share contract
• Share information with other applications
• Text
• HTML
• Links
• Images
• ...
• Receive share information from other applications

9. Share contract

10. Share contract
• Source
• Prepare share info
• Respond to DataRequested event
• Target
• Add TargetPage
• Set declaration
• Interpret data in Activate method

11. DEMO
Share contract

12. Settings contract
• The best only place to set your in-app settings
• Handle CommandsRequested event for the SettingsPane
• Add SettingsCommands
• Add fly-out...
• ...but only when you’re using JavaScript 

13. Callisto
• Open source toolkit by Tim Heuer
• Controls
• Including a SettingsFlyout
• Converters
• Extensions and Helpers
• https://github.com/timheuer/Callisto/wiki

14. DEMO
Settings contract with Callisto

15. Take aways
• Implementing charms provide a universal way of working with apps
• Easy to implement
• Use Callisto for fly-outs