http://blogs.msdn.com/jaimer/archive/2009/06/29/wpf-discussions-090626.aspxEmails from our MS internal discussions. Lots a great tips. Subject: Advise for running WPF apps over Citrix Answer: All versions of WPF since WPF 3.5 SP1 have remoted (both with Remote Desktop and Terminal Server) using Bitmap Remoting. Bitmap remotingen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/jaimer/archive/2009/06/29/wpf-discussions-090626.aspx#9808860Mon, 29 Jun 2009 22:29:23 GMT91d46819-8472-40ad-a661-2c78acb4018c:9808860dschwegler<p>RE: Way to check if an UIElement is visible in ScrollViewer</p> <p>Couldn't you just compute the transformed bounds of the UIElement relative to the ScrollViewer, then use the ScrollViewer's HorizontalOffset/VerticalOffset and ViewportWidth/ViewportHeight to determine if the element is in the visible viewport?</p> <p>--schwegs</p>