The document discusses various classes, structs, and interfaces related to the Windows 8.1 SDK and Windows Phone 8.1 SDK, including support for WinRT APIs and platform-specific features. It highlights the use of compiler conditionals to share code across platforms and the importance of decoupling user interface from logic. The content is provided for informational purposes by Microsoft, with a disclaimer about potential inaccuracies and lack of commitment to the information presented.

5. Classes Structs Interfaces
Windows 8.1 SDK 566 119 59
Windows Phone 8.1 SDK 624 131 57
+58 +12 -2

7. #if WINDOWS_PHONE_APP
Windows.Phone.UI.Input.HardwareButtons.BackPressed +=
this.HardwareButtons_BackPressed;
#endif

10. Most File Types
Libraries & Windows Runtime Components

11. Code files
XAML
Images
XML/JSON
RESW

12. #if WINDOWS_APP
var result = VisualStateManager.GoToState(this, "Windows", false);
#elif WINDOWS_PHONE_APP
var result = VisualStateManager.GoToState(this, "WindowsPhone", false);
#endif

13. Supports WinRT APIs
Expose libraries to C++, Javascript apps

14. Supports WinRT APIs
Expose libraries to C++, Javascript apps

15. Compiler conditionals to share across
additional platforms

16. Decouple UI from logic
plus platform specific API sets (some geolocation, media, sensors)
plus XAML components that “make sense”

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must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after
the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.