public IEnumerator <ResourceDictionary> GetResourceDictionariesWhere(Func <ResourceDictionary, bool> predicate)
{
ResourceDictionaryEnumerator enumerator = new ResourceDictionaryEnumerator(this, predicate);
_ignoreResourceDictionaryDispensedByEnumerator = true;
try
{
foreach (ResourceDictionaryDispensedEventArgs args in _resourceDictionariesDispensed)
{
enumerator.ResourceDictionaryDispenserResourceDictionaryDispensed(this, args);
}
}
finally
{
_ignoreResourceDictionaryDispensedByEnumerator = false;
}
_resourceDictionaryEnumerators.Add(enumerator);
return(enumerator);
}
/// <summary>
/// Unregisters an enumerator so that it can be garbage collected.
/// </summary>
/// <param name="enumerator">The enumerator.</param>
internal void Unregister(ResourceDictionaryEnumerator enumerator)
{
_resourceDictionaryEnumerators.Remove(enumerator);
}