About Thread. Sleep (0)

Thread. Sleep (0) indicates that the Thread is suspended for 0 milliseconds. You may feel that it is useless. You have to write Thread. Sleep (1000. It seems meaningless.

MSDN Description: Specify zero (0) to indicate that this thread should be suspended so that other waiting threads can be executed.
Thread. sleep (0) does not mean that the Thread must be suspended for 0 milliseconds. It indicates that Thread is called this time. the current thread of Sleep (0) is indeed frozen, giving other threads the opportunity to execute first. Thread. Sleep (0) indicates that your Thread temporarily abandons the cpu, that is, releasing unused time slices for other threads or processes, which is equivalent to a give-up action.