private PropertyWatcherList <T> SetupPropertyWatcher()
{
if (_propertiesToWatch != null)
{
var watcherList = new PropertyWatcherList <T>(_propertiesToWatch);
watcherList.ValueChanged += (i, v) => ItemModified?.Invoke(this, i, v);
return(watcherList);
}
return(null);
}
public CollectionWrapper(IReadOnlyList <T> collection, string[] propertiesToWatch = null)
{
if ((propertiesToWatch?.Length ?? 0) > 0)
{
_propertiesToWatch = propertiesToWatch;
}
_watcherList = SetupPropertyWatcher();
ReplaceCollection(collection);
}
public void Dispose()
{
if (_isDisposed)
{
return;
}
_isDisposed = true;
if (_collection is INotifyCollectionChanged)
{
CollectionChangedEventManager.RemoveHandler(_collection as INotifyCollectionChanged, HandleCollectionChange);
_watcherList?.Dispose();
_watcherList = null;
_collection = null;
ItemModified = null;
}
}