Fixing the IExtenderProvider in Visual Studio's ASP.NET designer

Wouter van Vugt is a Microsoft MVP with Office Open XML technologies and an independent consultant focusing on creating Office Business Applications (OBAs) with SharePoint, the Office 2007 system and related .NET technologies. Wouter is a frequent contributor to developer community sites such as OpenXmlDeveloper.org and MSDN and has published several white papers and articles as well a book available on line titled Open XML: the markup explained. Wouter is the founder of Code-Counsel, a Dutch company focusing on delivering cutting-edge technical content through a variety of channels. You can find out more about Wouter by reading his blog and visiting the Code-Counsel Web site.