In C #, how to automatically generate an increasing number of natural numbers, and only add and not decrease?

shygza

Well, there is still a lack of single mode control, so it is more perfect

cqgang

The volatile keyword should be added to indicate that it can be modified by concurrent threads
public sealed class Sequence {
    private static volatile int num = 0;
    public static int Next () {
       return ++ num;
    }
}

peng16889

There are so many ways.