看看在以下链接之一中是否找不到有用的东西:
MyDownloader:多线程C#分段下载管理器 [ ^ ]
监视网络速度 [ http://***.com/questions/10875374/download-manager-limit-download-speed [ ^ ]

See if you cant find anything useful in one of these links:
MyDownloader: A Multi-thread C# Segmented Download Manager[^]
Monitoring network speed[^]
http://***.com/questions/10875374/download-manager-limit-download-speed[^]

如果要限制带宽，请从此处开始: ^ ]

If you want bandwidth limiting start here: Socket-based HTTP Client with Bandwidth Limit[^]