I have answered your query in the support ticket you have submitted. Please avoid submitting duplicate threads in the future. This will enable us to keep better track of your support history and provide answers quicker.
RadPersistenceFramework can persist the settings for a lot of controls. However, not every Control can be persisted out of the box. Check out the following article that lists the controls that are supported by RadPersistenceFramework out of the box:
In case you need to persist additional settings you can use custom logic. The article below illustrates how you can persist custom settings: