Styles.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
        <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
        <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Themes/Light.Blue.xaml" />

        <ResourceDictionary Source="pack://application:,,,/FLY.ControlLibrary;component/Themes/Dictionary_MyStyle.xaml"/>
        <ResourceDictionary Source="pack://application:,,,/FLY.ControlLibrary;component/Converter/Dictionary_MyConv.xaml"/>
    </ResourceDictionary.MergedDictionaries>

    
</ResourceDictionary>