<?xml version="1.0" encoding="utf-8"?>
<UserControl x:Class="Themes.DemoExpressionDark" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Themes" xmlns:c1="http://schemas.componentone.com/winfx/2006/xaml">
    <c1:C1ThemeExpressionDark x:Name="theme">
        <local:Gallery Background="#7F121212" Foreground="#FFF1F1F1" CurrentTheme="{Binding ElementName=theme}" />    
    </c1:C1ThemeExpressionDark>
</UserControl>