Flip/reverse child-curve looses history

Rhino Rhino for Windows
1

Hi,

Is it possible to flip/reverse a child-curve without loosing history ?

thx,
Keith

2

No… do you need it to be opposite the original? If not, you can flip the original and the child will flip.

-Pascal

3

I need it to be opposite - for an extrusion later on.

thx,