Triggers attach to events for the mass (for non programmers): IFTTT.
For each type of widget, the equivalent in iOS 6/& & Android world: PortKit: UX Metaphor Equivalents for iOS & Android.
I wasn’t aware of it (#841 – Display Underlines for Access Keys at All Times | 2,000 Things You Should Know About WPF).
A small summary of this usefull language: WPF : Geometry mini-language | Lamentations of one programmer.
Things are coming in the world of portable library: Microsoft.Bcl.Compression in beta permits decompression fonctionnality to portable HttpClient (here).
A virtuous circle.