c#中委托与事件时间:2023-03-09 21:56:24 参考:http://www.tracefact.net/tech/009.html 张子阳:http://www.cnblogs.com/JimmyZhang/archive/2007/09/23/903360.html#3859414 分分钟用上事件和委托:https://www.cnblogs.com/yinqixin/p/5056307.html http://www.cnblogs.com/wudiwushen/archive/2010/04/20/1703763.html