学习以下教程

MyDownloader：多线程C＃分段下载管理器 [ ^ ]

下载可以完成块，这样就可以保存当前的状态了重新下载时从那里下载并继续。

study below tutorial
MyDownloader: A Multi-thread C# Segmented Download Manager[^]
download can be done chunks, so you can save the current state of the download and resume from there when restart the download.

我提供了使用此功能下载的近乎最小HTTP的完整代码。这只是一个C＃文件：如何从互联网上下载文件 [ ^ ]。



你没有提到协议。如果这不是HTTP，请告诉我们。

-SA

I provided a complete code of nearly minimal HTTP downloaded with this feature. This is just one C# file: how to download a file from internet[^].

You did not mention the protocol though. If this is not HTTP, please let us know.

—SA