public Subscription(SubscriptionDic <T, TSubscriber> sdic, Type targetType, object target, string eventName)
{
_sdic = sdic;
_target = target;
_eventName = eventName;
Dictionary <string, EventInfo> evDic;
if (!Accessors.TryGetValue(targetType, out evDic))
{
Accessors[targetType] = evDic = new Dictionary <string, EventInfo>();
}
if (!evDic.TryGetValue(eventName, out _info))
{
var ev = targetType.GetRuntimeEvents().FirstOrDefault(x => x.Name == eventName);
if (ev == null)
{
throw new ArgumentException(
$"The event {eventName} was not found on {target.GetType()}.");
}
evDic[eventName] = _info = ev;
}
var del = new Action <object, T>(OnEvent);
_delegate = del.GetMethodInfo().CreateDelegate(_info.EventHandlerType, del.Target);
_info.AddMethod.Invoke(target, new[] { _delegate });
}
public Subscription(SubscriptionDic <T> sdic, object target, string eventName)
{
_sdic = sdic;
_target = target;
_eventName = eventName;
var t = target.GetType();
Dictionary <string, EventInfo> evDic;
if (!Accessors.TryGetValue(t, out evDic))
{
Accessors[t] = evDic = new Dictionary <string, EventInfo>();
}
if (!evDic.TryGetValue(eventName, out _info))
{
evDic[eventName] = _info = t.GetRuntimeEvent(eventName);
}
var del = new Action <object, T>(OnEvent);
_delegate = del.GetMethodInfo().CreateDelegate(_info.EventHandlerType, del.Target);
_info.AddEventHandler(target, _delegate);
}