I think the buttons are disabled at start, if there are no initial value

Directory TwinColSelect
1

I think the buttons are disabled at start, if there are no initial values set. The add and addAll button should be enabled, if there are items to select.

(workaround is to call updateSelection() to select and deselect an item at start)

2

Yes, it is also reported here too.

https://github.com/TatuLund/TwinColSelect/issues/16

I am going to fix it.

3

Check version 2.2.1 and if it works better.

4

Works perfectly. Thank you very much!