/V4/Quickstarts/MVVM/MVVM/App.xaml

<Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 

             x:Class="MVVM.App">

    <Application.Resources>        

    	<ResourceDictionary>

    		<ResourceDictionary.MergedDictionaries>

    			<ResourceDictionary Source="Theme/Theme.xaml"/>

    		</ResourceDictionary.MergedDictionaries>

    	</ResourceDictionary>        

    </Application.Resources>

</Application>