/// <summary>
/// 派发一个事件
/// </summary>
/// <param name="evt">该事件实例</param>
/// <returns>返回派发是否成功，若返回false则表示没有该事件对应的侦听器</returns>
public bool DispatchEvent(Event evt)
{
if (evt == null)
{
throw (new Exception("event is null"));
}else
{
if (HasEventListener(evt.Type))
{
if (evt.target == null) evt.target = this;
evt.currentTarget = this;
List<Listener> list;
listener_dictionary.TryGetValue(evt.Type, out list);
int count = list.Count;
for (int i = 0; i < count; ++i)
{
list[i].listener.Invoke(evt);
}
return true;
}else
{
return false;
}
}
}