<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:themes="clr-namespace:HandyControl.Themes">

    <ResourceDictionary.MergedDictionaries>
        <themes:SharedResourceDictionary Source="pack://application:,,,/HandyControl;component/Themes/Basic/Colors/ColorsDark.xaml"/>
    </ResourceDictionary.MergedDictionaries>

</ResourceDictionary>