To get the email address of the user, call ListUsers. In the returned XTF_USER_DATA structure, examine the pszEmailAddress member.Pairing a controller by using PairControllerWithUser is additive. If a user is already paired with the controller, the user specified by userName is also paired with the controller. To create an exclusive pairing, call PairControllerWithUserIdExclusive or PairControllerWithUserExclusive.