Wino-Mail/Wino.Core.WinUI/Styles/ContentPresenters.xaml

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:controls="using:Wino.Core.WinUI.Controls">

    <!--  Flagged  -->
    <DataTemplate x:Key="FlaggedSymbolControlTemplate">
        <Viewbox
            Width="14"
            HorizontalAlignment="Center"
            VerticalAlignment="Top">
            <controls:WinoFontIcon
                Margin="2,0,0,0"
                Foreground="{StaticResource FlaggedBrush}"
                Icon="Flag" />
        </Viewbox>
    </DataTemplate>

    <!--  Attachments  -->
    <DataTemplate x:Key="AttachmentSymbolControlTemplate">
        <Viewbox
            x:Name="AttachmentSymbol"
            Width="14"
            HorizontalAlignment="Center"
            VerticalAlignment="Bottom">
            <controls:WinoFontIcon
                Margin="2,0,0,0"
                Foreground="{StaticResource AttachmentBrush}"
                Icon="Attachment" />
        </Viewbox>
    </DataTemplate>
</ResourceDictionary>