http://errorlist.codeplex.com/
ErrorList
I recently wrote a control that tries to replicate the error list seen in Visual studio.
The control is dependant on .NET 3.5 SP1. because it uses the WPFToolkit.
I'm hosting a sample here. [Update August 2012 My host has stopped xbap application types, sorry]
Screenshot
![](/blog/image.axd?picture=2009%2f11%2fsampleerrorlist.jpeg)