Silverlight treeviewitem not updating
If you explore the problem a little bit deeper you will find that the actual problem here is the way the Template for Tree View Item controls has been defined in the two most popular themes (Luna for XP and Aero for Vista).
For some quick background, a control is just a Dependency Object made up of C# (or any other . Its visual representation is composed in XAML by constructing a Control Template and assigning it to the Control’s Template property.
Internet Explorer: It's possible that the Silverlight browser add-on, which is used to play Netflix content, has been disabled.
Follow the steps below to make sure the add-on is enabled in your preferred web browser. This is fairly common for applications that are not downloaded from the Mac App store.
It also doesn’t help when M$ representatives constantly provided misleading information.