Write like a ticktocker, not a grandfather. New C# constructs in combat

Over 20 years of evolution, many versions of C# have come out, and gradually the set of constructs has expanded. Unfortunately, not many people can grasp this diversity in their heads and continue writing as "their grandfathers wrote in C". The report will contain many examples of how to rewrite the old code in a new way and how not to get carried away in this case.