ZuneModdingHelper/OwlCore.Wpf/AbstractUI/Themes/AbstractRichTextBlockStyle.xaml

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="OwlCore.Wpf.AbstractUI.Themes.AbstractRichTextBlockStyle"
    xmlns:abstractUI="clr-namespace:OwlCore.AbstractUI.ViewModels;assembly=OwlCore"
    xmlns:controls="clr-namespace:OwlCore.Wpf.AbstractUI.Controls">

    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="pack://application:,,,/OwlCore.Wpf;component/AbstractUI/Themes/AbstractUIResources.xaml" />
    </ResourceDictionary.MergedDictionaries>

    <DataTemplate x:Key="DefaultAbstractRichTextBlockTemplate" DataType="abstractUI:AbstractRichTextBlockViewModel">
        <StackPanel>
            <TextBlock Text="{Binding Title, Mode=OneWay}" FontSize="{StaticResource DefaultAbstractUITitleFontSize}" ToolTipService.ToolTip="{Binding TooltipText, Mode=OneWay}" />

            <TextBlock Text="{Binding Subtitle, Mode=OneWay}" FontSize="{StaticResource DefaultAbstractUISubtitleFontSize}"
                       FontWeight="{StaticResource DefaultAbstractUISubtitleFontWeight}"
                       Opacity="{StaticResource DefaultAbstractUISubtitleOpacity}"
                       Visibility="{Binding Path=Subtitle, TargetNullValue=Collapsed, Mode=OneWay}"/>

            <!-- TODO: Marddown text block for WPF? -->
            <!--<controls:MarkdownTextBlock Text="{Binding RichText}"/>-->
        </StackPanel>
    </DataTemplate>

    <Style TargetType="controls:AbstractRichTextBlockPresenter">
        <Style.Setters>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="controls:AbstractTextBoxPresenter">
                        <ContentControl ContentTemplate="{StaticResource DefaultAbstractRichTextBlockTemplate}"
                                        HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch" />
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style.Setters>
    </Style>

</ResourceDictionary>