Superclass for all readonly properties wrapping a long.
long
extends LongExpression implements ReadOnlyProperty<Number>
See also: javafx.beans.value.ObservableLongValue, javafx.beans.binding.LongExpression, ReadOnlyProperty
Since: JavaFX 2.0
javafx.beans.property.ReadOnlyLongProperty.readOnlyLongProperty()
javafx.beans.property.ReadOnlyLongWrapper.getReadOnlyProperty()