--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Messaging/Common/Xaml/XamlHelper.cs	Wed Mar 21 19:00:59 2012 +0000
@@ -0,0 +1,34 @@
+using System.Windows;
+using System.Windows.Controls;
+
+namespace Common.Xaml
+{
+    public static class XamlHelper
+    {
+        public static bool GetAutoScroll(DependencyObject obj)
+        {
+            return (bool) obj.GetValue(AutoScrollProperty);
+        }
+
+        public static void SetAutoScroll(DependencyObject obj, bool value)
+        {
+            obj.SetValue(AutoScrollProperty, value);
+        }
+
+        public static readonly DependencyProperty AutoScrollProperty =
+            DependencyProperty.RegisterAttached("AutoScroll", 
+            typeof(bool), 
+            typeof(XamlHelper), 
+            new PropertyMetadata(false, AutoScrollPropertyChanged));
+
+        private static void AutoScrollPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            var scrollViewer = d as ScrollViewer;
+
+            if (scrollViewer != null && (bool)e.NewValue)
+            {
+                scrollViewer.ScrollToBottom();
+            }
+        }
+    }
+}