Write a program in C# Sharp to create and copy the file to another name and display the content

using System;
using System.IO;
using System.Text;


public class SimpleFileCopy
{
    static void Main()
    {
        string sfileName = @"mytest.txt";
        string tfileName = @"mynewtest.txt";
        
            // Delete the file if it exists.
            if (File.Exists(sfileName))
            {
                File.Delete(sfileName);
            }
			Console.Write("\n\n Create a file and copy the file  :\n");
			Console.Write("---------------------------------------\n");            
            // Create the file.
            using (StreamWriter fileStr = File.CreateText(sfileName)) 
            {
                fileStr.WriteLine(" Hello and Welcome");
                fileStr.WriteLine(" It is the first content");
                fileStr.WriteLine(" of the text file mytest.txt");
            }	            
            using (StreamReader sr = File.OpenText(sfileName))
            {
                string s = "";
				Console.WriteLine(" Here is the content of the file {0} : ",sfileName);
                while ((s = sr.ReadLine()) != null)
                {
                    Console.WriteLine(s);
                }
                Console.WriteLine("");
            }        
      
/*      string sourcefolder = "path";  // you can mention the path of source folder
		string targetfolder =  "path"; // you can mention the path of target folder 
		string sourceFile = System.IO.Path.Combine(sourcefolder, sfileName); // combine the source file with path
		string targetFile = System.IO.Path.Combine(targetfolder, tfileName);   // combine the target file with path */

/*		Create a new target folder if not exists
        if (!System.IO.Directory.Exists(targetfolder))
        {
            System.IO.Directory.CreateDirectory(targetfolder);
        }
		System.IO.File.Copy(sourceFile, destFile, true); // overwrite the target file if it already exists. */
        System.IO.File.Copy(sfileName, tfileName, true);
        Console.WriteLine(" The file {0} successfully copied to the name {1} in the same directory.",sfileName,tfileName );
        
using (StreamReader sr = File.OpenText(tfileName))
            {
                string s = "";
				Console.WriteLine(" Here is the content of the file {0} : ",tfileName);
                while ((s = sr.ReadLine()) != null)
                {
                    Console.WriteLine(s);
                }
                Console.WriteLine("");
            }       
        Console.ReadKey();
    }
}