Grouping

Does anyone know if it's possible to switch Grouping on and off similar to the Pickstyle command in AutoCAD LT.  If I have a group I want to modify in a complex assembly and I explode it first it isn't easy to ensure you pick up all the parts for a regroup. I know there is a work around by moving it out of the assembly first, modifying and then regrouping and returning it, but it gets a bit tedious if it's the sort of thing you are doing a lot.