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'>
Change StackPanel Orientation:
Change HorizontalAlignment:
Change VerticalAlignment:
Horizontal
Vertical
Left
Right
Center
Stretch
Top
Bottom
Center
Stretch
//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Media.Animation;
namespace SilverlightApplication3
{
public partial class MainPage : UserControl
{
public void changeOrientation(object sender, SelectionChangedEventArgs args)
{
ListBoxItem li = ((sender as ListBox).SelectedItem as ListBoxItem);
if (li.Content.ToString() == "Horizontal")
{
sp1.Orientation = System.Windows.Controls.Orientation.Horizontal;
}
else if (li.Content.ToString() == "Vertical")
{
sp1.Orientation = System.Windows.Controls.Orientation.Vertical;
}
}
public void changeHorAlign(object sender, SelectionChangedEventArgs args)
{
ListBoxItem li = ((sender as ListBox).SelectedItem as ListBoxItem);
if (li.Content.ToString() == "Left")
{
sp1.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
}
else if (li.Content.ToString() == "Right")
{
sp1.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
}
else if (li.Content.ToString() == "Center")
{
sp1.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
}
else if (li.Content.ToString() == "Stretch")
{
sp1.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
}
}
public void changeVertAlign(object sender, SelectionChangedEventArgs args)
{
ListBoxItem li = ((sender as ListBox).SelectedItem as ListBoxItem);
if (li.Content.ToString() == "Top")
{
sp1.VerticalAlignment = System.Windows.VerticalAlignment.Top;
}
else if (li.Content.ToString() == "Bottom")
{
sp1.VerticalAlignment = System.Windows.VerticalAlignment.Bottom;
}
else if (li.Content.ToString() == "Center")
{
sp1.VerticalAlignment = System.Windows.VerticalAlignment.Center;
}
else if (li.Content.ToString() == "Stretch")
{
sp1.VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
}
}
}
}