[Dupe]

I've taken a completely new approach regarding page-turning on my iPad, instead of using my Yamaha sustain pedal which has not been that successful for page-turning. I'm making a new three-pedal foot switch using an old corded computer mouse, the left and right mouse switches are set to turn my sheet music, left press (page back) and right press (page forward) works fine, and the third button would be ideal for selecting the library, however, it doesn't select it. Most likely a different code needs to be sent. Has anybody else done something similar?