<Window x:Class="LayoutPanels.SimpleDock"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="SimpleDock" Height="300" Width="300"
    >
    <DockPanel LastChildFill="True">
      <Button DockPanel.Dock="Top">A Stretched Top Button</Button>
      <Button DockPanel.Dock="Top" HorizontalAlignment="Center">A Centered Top Button</Button>
      <Button DockPanel.Dock="Top" HorizontalAlignment="Left">A Left-Aligned Top Button</Button>
      <Button DockPanel.Dock="Bottom">Bottom Button</Button>
      <Button DockPanel.Dock="Left">Left Button</Button>
      <Button DockPanel.Dock="Right">Right Button</Button>
      <Button >Remaining Space</Button>
    </DockPanel>
</Window>
