问如何从强名称程序集加载ResourceDictionary？

EN

 <Application.Resources>
    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Dark.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Grey.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Red.xaml" />
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
</Application.Resources>

 public partial class App
{
    protected override void OnStartup(StartupEventArgs e)
    {
        // referenced to MaterialDesignThemes.Wpf
        MaterialDesignThemes.Wpf.DialogHost d = new MaterialDesignThemes.Wpf.DialogHost();
        var b = d.IsOpen;

        base.OnStartup(e);
        var app = new MainWindow();
        var context = new MainWindowVM();
        app.DataContext = context;
        app.Show();
    }
}