viritin & TwinColSelect

Vaadin 6 / 7 / 8
1

Hi,
I’m using viritin AbstactForm and TwinColSelect.
Please help me: how to fire validate of the Form in SelectionListener of TwinColSelect?
How a have to change some other field to enable Save button.

2

I’ve found how to fire form validation:
getFieldGroup().valueChange(null)