摘要:
参考1<a href="http://msdn.microsoft.com/en-us/library/system.iasyncresult.aspxhttp://hi.baidu.com/baixiaoxu/blog/item/a6119c285207c6f398250a6b.html">http://msdn.microsoft.com/en-us/library/system.iasyncresult.aspxhttp://hi.baidu.com/baixiaoxu/blog/item/a6119c285207c6f398250a6b.html< 阅读全文