TextBlock VerticalAlignment
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="TextDecorationExample.Window1" Title="TextDecoration Example" Width="720" Height="400"> <StackPanel> <TextBlock FontSize="24" Width="180" VerticalAlignment="Center" TextDecorations="OverLine">The lazy dog</TextBlock> </StackPanel> </Window>