using System;
public class clsStrReverse
{
 
    public void Main()
    {
 
 
        //****************************************************************************************
        // There is not an exact equivalent of vb.net strReverse in C# so we simulate it
        // Example #1: 	StrReverse(string) - returns a string with the characters of the 
        // string in reverse order
        //****************************************************************************************
 
        Console.WriteLine("Example #1: 	StrReverse(string) ");
 
        string strString1 = "Hello World";
 
 
        // Return Uppercase
        Console.WriteLine(SimulateStrReverse.StrReverse(strString1)); //Returns dlroW olleH
 
 
        //write blank line to make output easier to read
        Console.WriteLine();
 
 
 
        //Prevent console from closing before you press enter
        Console.ReadLine();
 
    }
 
 
}
//----------------------------------------------------------------------------------------
//	Copyright © 2003 - 2011 Tangible Software Solutions Inc.
//	This class can be used by anyone provided that the copyright notice remains intact.
//
//	This class simulates the behavior of the classic VB 'StrReverse' function.
//----------------------------------------------------------------------------------------
public static class SimulateStrReverse
{
    public static string StrReverse(string expression)
    {
        if (expression == null || expression.Length == 0)
            return string.Empty;
 
        string reversedString = string.Empty;
        for (int charIndex = expression.Length - 1; charIndex >= 0; charIndex--)
        {
            reversedString += expression[charIndex];
        }
        return reversedString;
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
nameStrReverse CSharp_Syntax
{
    class Program
    {
        static void Main(string[] args)
        {
 
 
            clsStrReverse myStrReverse = new clsStrReverse();
            myStrReverse.Main();
 
        }
    }
}