<Window x:Class="LayoutPanels.SimpleStack" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SimpleStack" Height="223" Width="354" MinWidth="50"> <StackPanel Margin="3" Name="stackPanel1"> <Label Margin="3" HorizontalAlignment="Center"> A Button Stack </Label> <Button Margin="3" MaxWidth="200" MinWidth="100">Button 1</Button> <Button Margin="3" MaxWidth="200" MinWidth="100">Button 2</Button> <Button Margin="3" MaxWidth="200" MinWidth="100">Button 3</Button> <Button Margin="3" MaxWidth="200" MinWidth="100">Button 4</Button> <CheckBox Name="chkVertical" Margin="10" HorizontalAlignment="Center" Checked="chkVertical_Checked" Unchecked="chkVertical_Unchecked"> Use Vertical Orientation</CheckBox> </StackPanel> </Window> //File:Window.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; namespace LayoutPanels { public partial class SimpleStack : Window { public SimpleStack() { InitializeComponent(); } private void chkVertical_Checked(object sender, RoutedEventArgs e) { stackPanel1.Orientation = Orientation.Horizontal; } private void chkVertical_Unchecked(object sender, RoutedEventArgs e) { stackPanel1.Orientation = Orientation.Vertical; } } }