App.xaml

<Application x:Class="MetroRibbon.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.AnimatedSingleRowTabControl.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Blue.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/FlatButton.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/FlatSlider.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Clean/Clean.xaml"/>
                 <ResourceDictionary Source="resources/metroribbonstyle.xaml"/>
                <ResourceDictionary Source="resources/textboxstyle.xaml"/>
                <ResourceDictionary Source="resources/textblockstyle.xaml"/>
                <ResourceDictionary Source="resources/metrowindowstyle.xaml"/>
                <ResourceDictionary Source="resources/tabcontrolstyle.xaml"/>
                <ResourceDictionary Source="resources/datagridstyle.xaml"/>
                <ResourceDictionary Source="resources/metrosearchboxstyle.xaml"/>
                <ResourceDictionary Source="resources/buttonstyle.xaml"/>
                <ResourceDictionary Source="resources/metrocirclebuttonstyle.xaml"/>
                <ResourceDictionary Source="resources/shared.xaml"/>
                <ResourceDictionary Source="resources/gridsplitterstyle.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Clean/Clean.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/LoadingIndicators.WPF;component/Colors.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/LoadingIndicators.WPF;component/Styles.xaml"/>
                <!-- Fluent theme-->
                <ResourceDictionary Source="pack://application:,,,/Fluent;Component/Themes/generic.xaml " />
                <ResourceDictionary Source="pack://application:,,,/LoadingIndicators.WPF;component/Styles/LoadingWave.xaml"/>

            </ResourceDictionary.MergedDictionaries>
           
        </ResourceDictionary>
    </Application.Resources>
</Application>