internal bool TryGetUserArgs <TEventType, TCallbackArgs>(EventCallback <TEventType, TCallbackArgs> callback, TrickleDown useTrickleDown, out TCallbackArgs userArgs) where TEventType : EventBase <TEventType>, new()
{
userArgs = default(TCallbackArgs);
bool flag = callback == null;
bool result;
if (flag)
{
result = false;
}
else
{
EventCallbackList callbackListForReading = this.GetCallbackListForReading();
long eventTypeId = EventBase <TEventType> .TypeId();
CallbackPhase phase = (useTrickleDown == TrickleDown.TrickleDown) ? CallbackPhase.TrickleDownAndTarget : CallbackPhase.TargetAndBubbleUp;
EventCallbackFunctor <TEventType, TCallbackArgs> eventCallbackFunctor = callbackListForReading.Find(eventTypeId, callback, phase) as EventCallbackFunctor <TEventType, TCallbackArgs>;
bool flag2 = eventCallbackFunctor == null;
if (flag2)
{
result = false;
}
else
{
userArgs = eventCallbackFunctor.userArgs;
result = true;
}
}
return(result);
}
public void RegisterCallback <TEventType, TCallbackArgs>(EventCallback <TEventType, TCallbackArgs> callback, TCallbackArgs userArgs, TrickleDown useTrickleDown = TrickleDown.NoTrickleDown) where TEventType : EventBase <TEventType>, new()
{
bool flag = callback == null;
if (flag)
{
throw new ArgumentException("callback parameter is null");
}
long eventTypeId = EventBase <TEventType> .TypeId();
CallbackPhase phase = (useTrickleDown == TrickleDown.TrickleDown) ? CallbackPhase.TrickleDownAndTarget : CallbackPhase.TargetAndBubbleUp;
EventCallbackList eventCallbackList = this.GetCallbackListForReading();
bool flag2 = eventCallbackList != null;
if (flag2)
{
EventCallbackFunctor <TEventType, TCallbackArgs> eventCallbackFunctor = eventCallbackList.Find(eventTypeId, callback, phase) as EventCallbackFunctor <TEventType, TCallbackArgs>;
bool flag3 = eventCallbackFunctor != null;
if (flag3)
{
eventCallbackFunctor.userArgs = userArgs;
return;
}
}
eventCallbackList = this.GetCallbackListForWriting();
eventCallbackList.Add(new EventCallbackFunctor <TEventType, TCallbackArgs>(callback, userArgs, phase));
}
