摘要：
近日弄了段以下程序（程序发布在IIS上，程序在运行时要到网站下载文件）：WebClientclient=newWebClient();client.DownloadStringCompleted+=delegate(objects,DownloadStringCompletedEventArgsde){if(de.Error!=null){LoadingMessage="Anerroroccured:"+de.Error.Message;return;}}client.DownloadProgressChanged+=delegate(objectsender,Downlo 阅读全文
