public void AddHandler(string eventKey, EventHandler <SignaledEventArgs> handler)
{
EventHandler <SignaledEventArgs> traceHandler = (sender, e) => {
TraceHelper.WriteTrace("Bus", e.EventKey, "Signal Received");
handler(sender, e);
};
if (_cache.TryAdd(Tuple.Create(eventKey, handler), traceHandler))
{
_bus.AddHandler(eventKey, traceHandler);
}
}