Multi-span for TextBlock
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
HorizontalAlignment="Center" VerticalAlignment="Center"
TextElement.FontFamily="Palatino Linotype">
<TextBlock FontSize="1cm" TextWrapping="Wrap" TextAlignment="Center">
<Span TextDecorations="Underline">Underline</Span>,
<Span TextDecorations="Baseline">Baseline</Span>,
<Span TextDecorations="Strikethrough">Strikethrough</Span>,
<Span TextDecorations="Overline">Overline</Span>,
<Span TextDecorations="Underline,Overline,Baseline,Strikethrough">Full house</Span>
</TextBlock>
</Window>
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