Windows Phone SDK provides the ability to save some content in application storage. Application settings could be understood as a key-value pair that is saved within isolated storage. Settings API provides a class called
IsolatedStorageSettings, and this mechanism is the best option to store some small pieces of data such as settings or application state.
IsolatedStorageSettings is a kind of dictionary (a list of
value properties) that contains unique keys and its values. The stored value is an object type, so we can store whatever we want there; just ensure you cast the proper class when getting it from the storage settings.
There are three methods that are used most often while dealing with settings:
Contains: This returns ...