[C#.NET][Thread] 執行緒集區 – ThreadPool

https://www.wtfsec.org/3756/c-netthread-%E5%9F%B7%E8%A1%8C%E7%B7%92%E9%9B%86%E5%8D%80-threadpool/

https://columns.chicken-house.net/2007/12/14/threadpool-%E5%AF%A6%E4%BD%9C-1-%E5%9F%BA%E6%9C%AC%E6%A6%82%E5%BF%B5/