DownloadX ActiveX

官網
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DownloadX ActiveX Download Control is very versatile. It can be used with any programming language including VB.NET, C#, C++, Delphi, ASP, ASP.NET, PHP, and Java. This download tool is able to support all major network protocols including HTTP, FTP/ FTPS, HTTPS, as well as proxy servers, and so all you need to do is specify the file you'd like to download and the process will start right away