zmjService/ConfigureWindow/App.xaml

<Application x:Class="ConfigureWindow.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:ConfigureWindow" xmlns:properties="clr-namespace:ConfigureWindow.Properties"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Indigo.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Green.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <Style x:Key="WinAll" TargetType="{x:Type Window}">
                <Setter Property="FontFamily" Value="/ConfigureWindow;component/fonts/#Source Han Sans SC Normal" />
            </Style>
        </ResourceDictionary>
    </Application.Resources>
</Application>