toggle line to freeform control points

 From:  Jfs (PAQUICINNO)
10468.1 
Hi, is threre a way to toggle line to freeform control points with a shortcut, like in this video ? ( at 11 mn): https://www.youtube.com/watch?v=Za9SRkwWoIA
By the way,enjoying a lot working with Moi
Thank