http://mschnlnine.vo.llnwd.net/d1/Dev/App_Themes/C9/images/feedimage.pnghttp://channel9.msdn.com/posts/akMSFT/Creating-a-modular-application-using-Prism-V2-Screencast-24--Visual-Composition/Creating a modular application using Prism V2 - Screencast 2/4 : Visual Compositionhttp://channel9.msdn.com/posts/akMSFT/Creating-a-modular-application-using-Prism-V2-Screencast-24--Visual-Composition/en-usSun, 31 May 2009 04:33:08 GMTSun, 31 May 2009 04:33:08 GMTEvNet (EvNet, Version=1.0.3608.3122, Culture=neutral, PublicKeyToken=null)<p>there&nbsp;are download options for better video quality.</p>http://channel9.msdn.com/posts/akMSFT/Creating-a-modular-application-using-Prism-V2-Screencast-24--Visual-Composition/?CommentID=471285Sun, 31 May 2009 04:33:08 GMThttp://channel9.msdn.com/posts/akMSFT/Creating-a-modular-application-using-Prism-V2-Screencast-24--Visual-Composition/?CommentID=4712850http://channel9.msdn.com/471285/WebViewBug.aspx?EVT=0there&nbsp;are download options for better video quality.Sean0http://channel9.msdn.com/471285/Trackback.aspx<p>I'm glad you're doing videos of these, but I'm disappointed by the quality of the video.&nbsp; It's very difficult to read.</p> <p>Also, I get an exception when following along.&nbsp; I'm doing so in a Silverlight Business Application project.&nbsp; I created a ContentControl with the RegionManager.RegionName attached property value of 'TestRegion'.</p> <p>An exception occurred while creating a region with name 'TestRegion'. The exception was: System.Collections.Generic.KeyNotFoundException: controlType<br />&nbsp;&nbsp; at Microsoft.Practices.Composite.Presentation.Regions.RegionAdapterMappings.GetMapping(Type controlType)<br />&nbsp;&nbsp; at Microsoft.Practices.Composite.Presentation.Regions.Behaviors.DelayedRegionCreationBehavior.CreateRegion(DependencyObject targetElement, String regionName).</p> <p>Any ideas what might be happening?</p>http://channel9.msdn.com/posts/akMSFT/Creating-a-modular-application-using-Prism-V2-Screencast-24--Visual-Composition/?CommentID=470682Wed, 27 May 2009 03:43:35 GMThttp://channel9.msdn.com/posts/akMSFT/Creating-a-modular-application-using-Prism-V2-Screencast-24--Visual-Composition/?CommentID=4706820http://channel9.msdn.com/470682/WebViewBug.aspx?EVT=0I'm glad you're doing videos of these, but I'm disappointed by the quality of the video.&nbsp; It's very difficult to read. Also, I get an exception when following along.&nbsp; I'm doing so in a Silverlight Business Application project.&nbsp; I created a ContentControl with the&#8230;dvanderboom0http://channel9.msdn.com/470682/Trackback.aspx