Role of thread.sleep (0)

Thread.Sleep(0) The role of ： Namely “ Trigger the operating system to do it again immediately CPU competition ”. The result of the competition may be that the current thread still gets CPU control power , Maybe another thread will get CPU control power . This is also a sentence we often write in the big circle Thread.Sleep(0) , Because this gives other threads such as Paint Thread gets CPU The power of control , So the interface doesn't die there .