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Windows Phone 7 Detect Current Theme

/ Published in: C#
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Add this code to your App.xaml.cs inside your App class to enable a static property that will give you the current theme at runtime.

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  1. // An enum to specify the theme.
  2. public enum AppTheme
  3. {
  4.     Dark = 0,
  5.     Light = 1
  6. }
  7.  
  8. // Detecting the current theme.
  9. private static Color lightThemeBackground = Color.FromArgb(255, 255, 255, 255);
  10. private static Color darkThemeBackground = Color.FromArgb(255, 0, 0, 0);
  11. private static SolidColorBrush backgroundBrush;
  12. internal static AppTheme CurrentTheme
  13. {
  14.     get
  15.     {
  16.         if ( backgroundBrush == null )
  17.             backgroundBrush = Application.Current.Resources["PhoneBackgroundBrush"] as SolidColorBrush;
  18.  
  19.         if (backgroundBrush.Color == lightThemeBackground)
  20.             return AppTheme.Light;
  21.         else if (backgroundBrush.Color == darkThemeBackground)
  22.             return AppTheme.Dark;
  23.  
  24.         return AppTheme.Dark;
  25.     }
  26. }

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