private static void AttachDataSourceCollectionChangedListener(SerialChart chart, object dataSource) {
if (dataSource != null && dataSource is INotifyCollectionChanged) {
(dataSource as INotifyCollectionChanged).CollectionChanged += new NotifyCollectionChangedEventHandler(chart.OnDataSourceCollectionChanged);
}
}
private static void DetachOldDataSourceCollectionChangedListener(SerialChart chart, object dataSource) {
if (dataSource != null && dataSource is INotifyCollectionChanged) {
(dataSource as INotifyCollectionChanged).CollectionChanged -= chart.OnDataSourceCollectionChanged;
}
}
