<StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="LabelSimple.Pane1"> <DockPanel Margin="30,10,3,3" Grid.Column="0" Grid.Row="4"> <TextBox Name="textBox1" Width="50" Height="20"/> <Label Width="200" HorizontalAlignment="Left" Target="{Binding ElementName=textBox1}"> <AccessText TextWrapping="WrapWithOverflow"> _Another long piece of text that requires text wrapping goes here. </AccessText> </Label> </DockPanel> </StackPanel>