Configuring overlay background colour for ContentDialog

Question

I\'m writing an app for the universal windows platform using the dark theme and I\'ve noticed that although I\'ve correctly set the requested theme to dark when I display a

Answer 1

I used the code for the accepted answer, but changing the color of this brush worked for me... "SystemControlPageBackgroundMediumAltMediumBrush" Maybe because i am using Anniversary Edition as I read here

Also make sure your resource dictionary key matches the theme you are using. I was using the "Light" theme, so I changed the Resource dictionary x:key to this...