Note: This PRState documentation is out-dated and is for an older (pre-GMS v2.3) version of PRState. For the most up-to-date docs on the latest version of PRState, please refer to this page as well as the documentation included in the PRState package.
Shortcut to set the current state of the object to whatever its previous state was using its previous state optional data, if it has any. Calls PRSetState for you internally.
PRStateSetPrev(obj) 
The object to set the state for.
true if the state was set, false otherwise.