Text with mixed content
<Page 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" FontSize="40"> <TextBlock><Bold>Some</Bold> text</TextBlock> </Page>