Introduction - If you have any usage issues, please Google them yourself
The thread pool is a bell multithreading process will add the task to the queue, and then start these tasks automatically create a thread. Thread pool threads are background threads Each thread uses the default stack size, the default priority run in a multi-threaded apartment. If a thread is idle for managed code (for example, is waiting for an event), thread pool will insert another worker thread to keep busy so that all processors if all thread pool threads are always kept busy, but contains pending queue, the thread pool will create another worker thread after a certain period of time. the number of threads will never exceed the maximum value exceeds the maximum thread can be queued, but they have to wait until the other thread to complete after the start