C#的网络下载器，网络蜘蛛功能，断点续传，多线程下载，视频下载，以及简单的*检测功能。可暂停，删除任务，以及种子下载。-The c# download network device, web spiders function, breakpoint continuingly, multi-thread download, video download, and simple Trojan detection function. Can pause, delete the task, seeds