public OneWayListBinding(IObservableListBinding <T> target,
IReadOnlyObservableValue <IReadOnlyList <T> > sourceValue)
{
this.target = target ?? throw new ArgumentNullException(nameof(target));
this.sourceValue = sourceValue ?? throw new ArgumentNullException(nameof(sourceValue));
this.sourceValue.PropertyChanged += OnSourceValueChanged;
target.Clear();
target.AddRange(sourceValue.Value);
}
void OnSourceValueChanged(object sender, PropertyChangedEventArgs e)
{
if (!alreadyHandlingEvent)
{
try
{
alreadyHandlingEvent = true;
if (IndexerName.Equals(e.PropertyName, StringComparison.Ordinal))
{
TargetAsList.Clear();
target.AddRange(sourceValue.Value);
}
}
finally
{
alreadyHandlingEvent = false;
}
}
}
