摘要：
WebClient 一种已对WebClient从网页读取数据做了简要的介绍。其中对异步读取网页数据流进一步剖析。本文还将对WebClient 上传和下载左详细的分析。1//异步调用2WebClientwebClient=newWebClient();3webClient.Credentials=CredentialCache.DefaultCredentials;4webClient.OpenReadCompleted+=newOpenReadCompletedEventHandler(OpenReadCallback);5webClient.OpenReadAsync(newUri(&quo 阅读全文
