[http://channel9.msdn.com/learn/courses/Silverlight4/] Last week I posted about the great new materials on Channel 9’s site [http://channel9.msdn.com/learn/courses/Silverlight4/] and on Silverlight.net [http://www.silverlight.net/] for Silverlight 4. I had several people ask me about a downloadabl

The common technique many developers use to debug Silverlight Out of Browser applications is to attach the debugger to the SLLauncher.exe process. However, there is a another way to debug installed OoB apps. Attaching to the process does not allow you to catch and debug any startup code however this

Earlier today I blogged about my session yesterday on Advanced Large Scale Applications with Silverlight [http://microsoftpdc.com/Sessions/CL22] at PDC 09. I had a great time at PDC but now that I am home and have a faster and more stable internet connection, I zipped my demo code for the Silverligh

We had a fantastic turnout yesterday for my session at PDC [http://www.microsoftpdc.com/] on Advanced Large Scale Applications with Microsoft Silverlight [http://microsoftpdc.com/Sessions/CL22]. The room was packed and there were so many great questions that they ended up kicking me out of the room!

One of the new features of Silverlight 4 Beta is the addition of the IDataErrorInfo interface. In Silverlight 3 we throw exceptions when a property value is invalid. The IDataErrorInfo interface has been around in .NET but is new to Silverlight 4 beta. It allows you to invalidate property values wit