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Retrieves the previous position in the list.
POSITION Prev( POSITION pos );
Parameters
- pos
- Current position in the list.
Return Values
Returns a position cursor.
Remarks
This member function returns NULL when going past the end of the list. Calling the CBaseList::Prevmember function with a null value is similar to calling the CBaseList::GetTailPositionImember function.
Use the CBaseList::GetImember function to return the object at the returned position.