Listener

interface Listener<T> : ValueChangeListener<T, T>

Implemented by listeners to ObservableProperty value changes.

Functions

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open fun valueDidChange(oldValue: T, newValue: T)

Listener method called after ObservableProperty or DeferredObservableProperty value changes.

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open fun valueWillChange(oldValue: T, newValue: T)

Listener method called before ObservableProperty or DeferredObservableProperty value changes.