I have an ObservableList, which has a size. If the...

# tornadofx

[hestad]

I have an ObservableList, which has a size. If the size is <= I want to use a hbox, else a vbox. I tried to make an observableBoolean based on this observableList, and use a when, but it doesn't seem to reevaluate when the observableList size changes.