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Can I invert the colors of the phone screen in my application?

As part of my first WP7 application, I give user settings to warn them of the completion of the task: currently I have the ability to vibrate the phone, but I would like to “launch” the screen by inverting the colors and vice versa.

However, I cannot figure out how to invert screen colors. Is it possible?

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2 answers

You can capture the screen of your application as WriteableBitmap, invert colors and display it in the animation for a short period of time. Inverting the colors of the bitmap will look like this (sample for WPF).

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Source: https://habr.com/ru/post/1759514/

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