Pro Silverlight 5 in VB

Isolated Storage

Isolated storage provides a virtual file system that lets you write data to a small, user-specific and application-specific slot of space. The actual location on the hard drive is obfuscated (so there's no way to know beforehand exactly where the data will be written), and the default space limit is a mere 1 MB (although you can request that the user grant you more).

Essentially, isolated storage is the Silverlight equivalent of persistent cookies in an ordinary web page. It allows small bits of information to be stored in a dedicated location that has specific controls in place to prevent malicious attacks (such as code that attempts to fill the hard drive or replace a system file).

The Scope of Isolated Storage

With isolated ...