internal bool TryGetUserArgs <TEventType, TCallbackArgs>(EventCallback <TEventType, TCallbackArgs> callback, TrickleDown useTrickleDown, out TCallbackArgs userData) where TEventType : EventBase <TEventType>, new()
{
userData = default(TCallbackArgs);
if (m_CallbackRegistry != null)
{
return(m_CallbackRegistry.TryGetUserArgs(callback, useTrickleDown, out userData));
}
return(false);
}