begin property

double get begin

Implementation

double get begin {
  if (_begin == null) return 0.0;
  double f = _begin?.get() ?? 0.0;
  if (f < 0.0) f = 0.0;
  if (f > 1.0) f = 1.0;
  return f;
}
set begin (dynamic v)

Implementation

set begin(dynamic v) {
  if (_begin != null) {
    _begin!.set(v);
  } else if (v != null) {
    _begin = DoubleObservable(Binding.toKey(id, 'begin'), v,
        scope: scope, listener: onPropertyChange);
  }
}