/// <summary>
/// Called by the CallEventTargetHandler delegate, which itself is called by the source event.
/// </summary>
/// <param name="sender">The event sender, as provided by the event source.</param>
/// <param name="e">The event args, as provided by the event source.</param>
public void Handler(object sender, object e)
{
WeakEventBridge bridge = null;
lock (this)
{
if (_bridge != null)
{
bridge = _bridge.Target as WeakEventBridge;
}
}
if (bridge == null || !bridge.CallBindInfoHandler(sender, e, _bridgeHandlerIndex, _bridgeHandlerId))
{
Unbind();
}
}
public FilteredCollection(ICollection <TIn> observed, ObservableCollection <TOut> filtered, Func <TIn, bool> predicate, Func <TOut, TKey> order, IComparer <TKey> comparer)
: base(filtered)
{
if (!(observed is INotifyCollectionChanged))
{
throw new ArgumentException("observed");
}
_filtered = filtered;
_predicate = predicate;
_order = order;
_comparer = comparer ?? Comparer <TKey> .Default;
_bridge = new WeakEventBridge();
_bridge.Bind(observed, "CollectionChanged", WeakEventBridge.AsDelegate(observed_CollectionChanged));
InitFrom(observed);
}
