It does not seem you can control your BlackBerry from your computer.BlackBerry useful sites- downloads are free.
Main BlackBerry download site:http://www.blackberrydownload.net/
BlackBerry Help Doc's: http://docs.blackberry.com/en/smartphone_users/deliverables/17860/BlackBerry_Desktop_Software-User_Guide--1236316-0725104952-001-6.0.0-US.pdf