Friday, March 29, 2013

Creating touch-based rotation in Win8 XAML Store apps

This article illustrates two ways of using touch or mouse input to rotate a UI element in a XAML-based Windows 8 Store app. I'm sharing this code because I believe that the corresponding official MSDN sample is too complex. Don't get me wrong: the Windows 8 gestures sample looks nice and gives a complete overview of all gestures and their mouse equivalent. But it uses three entire classes to do something that you can literally do in three lines of code. In this article, I'll describe the guidelines-compliant way of rotating an element using a two-finger gesture, but I also provide a one-finger alternative. Since not everyone has a touch screen (yet), I also give you two ways for using the mouse to rotate an element. As usual, the article comes with a downloadable sample app. It just displays two round rotatable images.

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</ span>C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,XAML,Window8, Window,Window Apps