<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <SolidColorBrush x:Key="MainColor" Color="{StaticResource SystemAccentColor}" />
    <SolidColorBrush x:Key="TextColor" Color="{StaticResource SystemColorHighlightTextColor}" />
</ResourceDictionary>
