<@U1H2L7T0X> I committed the change as Jonathan su...
# tornadofx
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@frosch95 I committed the change as Jonathan suggested. It feels much better ­čÖé There is no utility class anymore, just create a TableColumn for the expander like this:
new TableRowExpanderColumn<>(tableView, param -> { ... })
or without the tableView parameter to add it manually.