How to pass check box Values from LonglistMultiselector to another LonglistMultiselector in Windows Phone

I want to pass LonglistMultiselector Check Box values to another LonglistMultiselector in Windows Phone, so that same checkboxes which are checked here will also be checked in another LonglistMultiselector. I know how to do this ListView by passing them Navigation Context Parameters, but in this unable to Kindly Help me with solution.