Correct me if I'm wrong, but for a double solenoid, don't you need to select between forward and reverse to make the mechanism extend and close.
Also, looking at your comments you want it to toggle being in or out on button press.
You will need to wire your button through this vi (thank you Channel Cats)
http://2013swat-robot-code.googlecod...E-FLIP-FLOP.vi
and then to a select statement that selects between the forward and reverse constants.