public bool UnregisterMessageSink(IMessageSink sink)
{
if (!Sinks.Contains(sink))
{
return(false);
}
Sinks.Remove(sink);
return(true);
}
public bool RegisterMessageSink(IMessageSink sink)
{
if (Sinks.Contains(sink))
{
return(true);
}
Sinks.Add(new MessageSink(sink, Messages));
FlushMessages();
return(true);
}
