What is Application State in Windows 7 Phone?
Essentially Application state is a Structured Data. If Data returned by a Web Service is being displayed on different pages with different view then we can call that Data as Application State.
So, Application state is Data returned by a Web Service and same Data being used in different views at the application level.
What is Page State in Windows 7 Phone?
It is common scenario that user fill some value on an application page and navigate from that page. On returning to the same page user expects persisted value on the application page. Page state is visual persisted state of the application page.
What is Tombstoning Windows 7 Phone?
It is process to persist data after application is terminated.
- Data can be persisted of an individual application page
- Data can be persisted of state of whole application.
When again user navigates back then application gets recreated and all the data persisted gets restored.
What is State Dictionaries Windows 7 Phone?
Dictionary objects are used to store key/value pair. Dictionary in Windows 7 phone is used to restore the Application state. At time of Tombstoning Dictionary gets preserved.
Dhananjay Kumar 
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