public static AudioCreator OnComplete(this AudioCreator creator, AudioEndHandler completeEvent)
{
if (null == creator)
{
return(null);
}
creator.AddEvent(completeEvent);
return(creator);
}
public void AddEvent(AudioEndHandler completeEvent)
{
// GetInvocationList()必须有一个event才能调用，否则报错
if (null == CompleteEvent)
{
CompleteEvent = completeEvent;
}
else
{
Delegate[] delegates = CompleteEvent.GetInvocationList();
if (!Array.Exists(delegates, (item) => { return(item == (Delegate)completeEvent); }))
{
CompleteEvent += completeEvent;
}
}
}
