C#多线程,多义务下载文件工具,带断点续传

[{"title":"（374个子文件1.8MB）C#多线程,多任务下载文件工具,带断点续传","children":[{"title":"TabStrip.dll <span style='color:#111;'>44.00KB</span>","children":null,"spread":false},{"title":"Interop.SHDocVw.dll <span style='color:#111;'>124.00KB</span>","children":null,"spread":false},{"title":"ISpiderResource.cs <span style='color:#111;'>536B</span>","children":null,"spread":false},{"title":"MyDownloader.Spider.csproj.user <span style='color:#111;'>452B</span>","children":null,"spread":false},{"title":"MyDownloader.Spider.csproj.FileListAbsolute.txt <span style='color:#111;'>1.25KB</span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":" <span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]