Why setlocale(0,""); stopped working?

Question

C++ / C#

Now it only works

SetConsoleCP(1251);
  SetConsoleOutputCP(1251);

and changing the font to Lucia, which is very inconvenient, and the size of the console shrinks + write a lot of characters (compared to setlocale)

Answer 1

In short, I realized that it's easier to create a new project and transfer everything .... Issue resolved