Layout elements can be used to build an adaptable user interface like – Example:
<Page x:Class="TestXBAP.Page1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Page1"
>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="5*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" Grid.Column="1"
Grid.ColumnSpan="3"
Background="Honeydew" FontSize="18pt"
TextAlignment="Center" Foreground="Red">
iKnown
</TextBlock>
<ListBox Grid.Row="1">
<ListBoxItem>WPF</ListBoxItem>
<ListBoxItem>WCF</ListBoxItem>
<ListBoxItem>WF</ListBoxItem>
<ListBoxItem>InfoCard</ListBoxItem>
</ListBox>
<TextBlock Grid.Row="1" Grid.Column="1"
>This is Text Block with some text
</TextBlock>
<TextBlock Grid.ColumnSpan="2" Text="Copyright 2006" TextAlignment="Center" VerticalAlignment="Bottom" Grid.Row="1" />
</Grid>
</Page>