Change the window border colour in my UWP App in WinJS
<p>How do I change the window border colour of my app ? </p>

<p>For example, in Microsoft's One Note 2013 app, the purple colour is also on the bar at the top as well as over the minimize, maximize and close buttons.</p>

<p>I am using visual studio 2015. </p>

<p>I have looked in the app manifest and can't seem to find anything</p>