public IAsyncResult TriggerEvent()
{
Thread.Sleep(1000);
if (MyEvent != null)
{
return(MyEvent.BeginInvoke(this, EventArgs.Empty, null, null));
}
return(null);
}
//3.1定义触发事件的方法
public void OnMyEvent(object sender, MyEventArgs args)
{
//异步执行事件上锁绑定委托的方法
MyEvent?.BeginInvoke(sender, args, null, null);
}