Visual C#实现网页源代码下载程序，也就是将“查看源代码”里面的完整代码下载保存成文件。在输入下载地址的时候，如果不是以 "http://" 开始，则会在网址前面自动添加"http://"，利用webClient.DownloadFile方法实现文件下载，本下载是网络上基本的下载程序，是在网络稳定的状况下使用的，没有下载进度条和断点续传-Visual C# to achieve web page source code download, which is the complete code " view source"　inside the download and save a file. Enter the address of the download time, if not with " http://"　started, it will automatically be added in front of the URL " http://" , the use of webClient.DownloadFile method for file download, the download is download the program on a network of basic , is in a stable condition in network use, no download progress bar and HTTP