<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">    
    <SolidColorBrush x:Key="ThemeControlForegroundBaseHighBrush" Color="{ThemeResource SystemBaseHighColor}"></SolidColorBrush>
</ResourceDictionary>
