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Windows Application Development Cookbook by Marcin Jamro

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Handling the pinch and rotate touch events

In the two previous recipes, you learned how to handle the pinch and rotate touch events. However, is it possible to combine them? Of course! You will learn how to scale and rotate the image at the same time in this recipe.

Getting ready

To step through this recipe, you need only the automatically generated project.

How to do it...

To prepare the example that handles both the pinch and rotate touch events to scale and rotate the image presented on the page, perform the following steps:

  1. Add the Photo.jpg file to the Assets directory.
  2. Add an image to the page, support the necessary manipulation modes, and define scaling and rotation transforms. Do this by modifying the content of the MainPage.xaml file, as follows: ...

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