<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>