using System;using System.Diagnostics;using System.Text;using System.Collections;using System.Collections.Generic;class Test{    public delegate void deltest(string str);    public static void Callbk(string str)    {        Console.WriteLine(str);    }    static void Main()    {        byte[] bs = { 97, 98, 99, 100 };        StringBuilder sb = new StringBuilder();        for(int i=0; i