using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace Rcopy
{
    class Program
    {
        static void Main(string[] args)
        {
            // It copies all the contents from folderv"c:\delete\x"
            // to "c:\delete\y
            // Note: Folder  "c:\delete\y" must exist. The program will
            // not create folder "y".
            new Program().FolderFileCopy(@"c:\delete\x", @"c:\delete\y");
            Console.WriteLine("end of program... click any key to continue");
            Console.ReadLine();
        }

        public int FolderFileCopy(string sourceFolder, string destinationFolder)
        {
            int fileIterator = 0;
            int dirIterator = 0;
            //DirectoryInfo sourceDirInfo;
            //DirectoryInfo destinationDirInfo;
            FileInfo sourceFileInfo;
            DirectoryInfo destinationDirInfo = new DirectoryInfo(destinationFolder);
            DirectoryInfo sourceDirInfo = new DirectoryInfo(sourceFolder);
            DirectoryInfo[] sourceDirList = null;
            FileInfo[] files = null;
            try
            {
                sourceDirList = sourceDirInfo.GetDirectories();
                for (dirIterator = 0; dirIterator < sourceDirList.Length; dirIterator = dirIterator + 1)
                {
                    if (dirIterator == 0)
                    {
                        files = null;
                        files = sourceDirInfo.GetFiles();
                        for (fileIterator = 0; fileIterator < files.Length; fileIterator = fileIterator + 1)
                        {
                            sourceFileInfo = new FileInfo(sourceDirInfo.FullName +
                                 Path.DirectorySeparatorChar + files[fileIterator].Name);
                            sourceFileInfo.CopyTo(destinationDirInfo.FullName +
                                 Path.DirectorySeparatorChar + files[fileIterator].Name, true);
                        }
                    }
             

                    destinationDirInfo.CreateSubdirectory(sourceDirList[dirIterator].Name);
                    sourceDirInfo = new DirectoryInfo(sourceDirInfo.FullName +
                                Path.DirectorySeparatorChar +
                                sourceDirList[dirIterator].Name);
                    destinationDirInfo = new DirectoryInfo(destinationDirInfo.FullName +
                                Path.DirectorySeparatorChar + sourceDirList[dirIterator].Name);
                    FolderFileCopy(sourceDirInfo.FullName, destinationDirInfo.FullName);
                }

                files = null;
                files = sourceDirInfo.GetFiles();
                for (fileIterator = 0; fileIterator < files.Length; fileIterator = fileIterator + 1)
                {
                    sourceFileInfo = new FileInfo(sourceDirInfo.FullName +
                         Path.DirectorySeparatorChar + files[fileIterator].Name);
                    sourceFileInfo.CopyTo(destinationDirInfo.FullName +
                         Path.DirectorySeparatorChar + files[fileIterator].Name, true);
                }

            }
            catch (Exception exception)
            {
                Console.WriteLine(exception.Message);
                return -1;
            }
            return 0;
        }



    }
}