/// <summary>
/// Method invoked when (instead of) a new handler is removed from the target event.
/// </summary>
/// <param name="args">Context information.</param>
public override void OnRemoveHandler(EventInterceptionArgs args)
{
// Remove the handler from our own list.
if (RemoveHandler(args.Handler))
{
args.RemoveHandler(null);
}
// Remove the handler from the client.
DelegateReferenceKeeper.RemoveReference(args.Handler);
}
/// <summary>
/// Method invoked when (instead of) a new handler is removed from the target event.
/// </summary>
/// <param name="args">Context information.</param>
public override void OnRemoveHandler(EventInterceptionArgs args)
{
// Remove the handler from our own list.
if (RemoveHandler(args.Handler))
{
// If this is the last handler, remove the fake handler to ourselves from the target event.
args.RemoveHandler(null);
}
// Remove the handler from the client.
DelegateReferenceKeeper.RemoveReference(args.Handler);
}
/// <summary>
/// Method invoked when (instead of) a new handler is removed from the target event.
/// </summary>
/// <param name="args">Context information.</param>
public override void OnRemoveHandler(EventInterceptionArgs args)
{
var weakEventClient = args.Handler.Target as IWeakEventClient;
bool supportsWeakReference = weakEventClient != null;
// Remove the handler from our own list.
if (_weakEventHandler.RemoveHandler(args.Handler))
{
// If this is the last handler, remove the fake handler to ourselves from the target event.
args.RemoveHandler(null);
}
// Remove the handler from the client.
if (supportsWeakReference)
{
weakEventClient.UnregisterEventHandler(args.Handler);
}
}
