Ok, it’s a teaser, the use of Interfaces is the same on Windows Phone 7 as it is in the other Microsoft products. A group of related functionalities are described via Interfaces and can belong to any class or struct.
Interfaces are made up of a combination of methods, properties, events, or indexers.
The following cannot be included in an interface:
If you need to memorize that list for some reason I use the following mnemonic:
Interfaces members are automatically public,