private static void OnValuePathChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
ValueExtractor v = sender as ValueExtractor;
if (v != null && v.ValuePath != null && v.Items != null)
{
v.GenerateValueList();
}
}
private static void OnItemsChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
ValueExtractor v = sender as ValueExtractor;
ItemCollection oldItems = args.OldValue as ItemCollection;
ItemCollection newItems = args.NewValue as ItemCollection;
if (oldItems != null)
{
((INotifyCollectionChanged)oldItems).CollectionChanged -= v.OnItemsCollectionChanged;
}
if (v != null && v.Items != null)
{
((INotifyCollectionChanged)v.Items).CollectionChanged += v.OnItemsCollectionChanged;
if (v.ValuePath != null)
{
v.GenerateValueList();
}
}
}