AppDomains are the preferred means for isolating related managed components while still having the benefit of efficient in-process communication and relative ease of deployment/activation. The CLR Add-In framework along with FrameworkElementAdapters facilitate...

[Update: .NET v4 solves this problem in an elegant way by leveraging the Dynamic Language Runtime. See BrowserInteropHelper.HostScript . The browser script integration works in Firefox too.] When an XBAP is hosted in an HTML [i]frame, it has limited...

Many customers are surprised and disappointed to discover that a WebBrowser control (or any native window, really) hosted in a WPF window with AllowsTransparency=True does not work—problems ranging from broken repainting to the child window/control not...

A somewhat awkward but necessary first step... I am a Software Development Engineer on the WPF Application Model team. This is the team that brings you the goods of windows, the navigation framework , browser-hosted applications (XBAPs), resource loading...

[Update 6/12/08] A tool that repairs the most commonly occurring permission problems failing XBAP deployment has been released: http://www.microsoft.com/downloads/details.aspx?FamilyID=adb47247-4e27-4490-a153-39d8334172d9 . Shortly, the Watson service...