title: Does Silverlight have a VirtualizingStackPanel?
body: <p>Does Silverlight have a <a href="http://msdn.microsoft.com/en-us/library/system.windows.controls.virtualizingstackpanel.aspx" rel="nofollow noreferrer">VirtualizingStackPanel</a>?
  If there is no built in type are there any third party controls that implement this?</p>