using System;

using System.IO;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Path.GetDirectoryName("c:/tester/blah"));

        var s = @"С—-";

        for (int i = 0; i < s.Length; i++)

        {

            Console.WriteLine($"s[{i}] = '{s[i]}' ('\\u{(int)s[i]:x4}')");

        }

    }

}