public void Clear()
{
ResourcesChangedEventArgs e = ResourcesChangedEventArgs.FromKeyCollection(dictionary.Keys.ToArray());
dictionary.Clear();
ResourcesChanged.Raise(this, e);
}
private void OnMergedDictionariesCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
foreach (ResourceDictionary dictionary in e.OldItems)
{
dictionary.ResourcesChanged -= OnMergeDictionaryResourcesChanged;
}
foreach (ResourceDictionary dictionary in e.NewItems)
{
dictionary.ResourcesChanged += OnMergeDictionaryResourcesChanged;
}
if (e.Action != NotifyCollectionChangedAction.Move)
{
IEnumerable <object> keys = e.OldItems.Concat(e.NewItems).Cast <ResourceDictionary>().SelectMany(GetMergedDictionariesKeys);
ResourcesChanged.Raise(this, ResourcesChangedEventArgs.FromKeyCollection(keys));
}
}
