<UserControl x:Class="_017_DockPanel.MainPage"
xmlns:controlsToolkit="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Toolkit"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480">
<controlsToolkit:DockPanel LastChildFill="True">
<Button controlsToolkit:DockPanel.Dock="Top" Content="Top"></Button>
<Button controlsToolkit:DockPanel.Dock="Bottom" Content="Bottom"></Button>
<Button controlsToolkit:DockPanel.Dock="Left" Content="Left"></Button>
<Button controlsToolkit:DockPanel.Dock="Right" Content="Right"></Button>
<Button Content="Resto do espaço"></Button>
</controlsToolkit:DockPanel>
</UserControl>