/// <summary>
/// ����һ���Դ����EventHandlerList������̰߳�ȫ�ķ�װ
/// </summary>
/// <param name="eventList"></param>
/// <returns></returns>
public static EventHandlerList Synchronized(EventHandlerList eventList)
{
if (eventList == null)
{
throw new ArgumentNullException("eventList");
}
return new SyncEventHandlerList(eventList);
}
/// <summary>
///
/// </summary>
/// <param name="eventList"></param>
public SyncEventHandlerList(EventHandlerList eventList)
{
syncEventHandlerList = eventList;
//�ͷŻ����е�ɢ�б����
base.Dispose();
}