Copies a directory. - CSharp File IO

CSharp examples for File IO:Directory

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Description

Copies a directory.

Demo Code


using System.IO;// w  w  w. j a  v  a2  s  . c  om
using System.Text;
using System.Linq;
using System.Collections.Generic;
using System;

public class Main{
        /// <summary>
        /// Copies a directory.
        /// </summary>
        /// <param name="sourceDirName">Name of the source dir.</param>
        /// <param name="destDirName">Name of the dest dir.</param>
        /// <param name="copySubDirs">if set to <c>true</c> [copy sub dirs].</param>
        /// <param name="overwrite">if true, overwrite existing files</param>
        /// <exception cref="System.IO.DirectoryNotFoundException">Source directory does not exist or could not be found: 
        ///                     + sourceDirName</exception>
        public static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs, bool overwrite)
        {
            // Get the subdirectories for the specified directory.
            DirectoryInfo dir = new DirectoryInfo(sourceDirName);
            DirectoryInfo[] dirs = dir.GetDirectories();

            if (!dir.Exists)
            {
                throw new DirectoryNotFoundException(
                    "Source directory does not exist or could not be found: "
                    + sourceDirName);
            }

            // If the destination directory doesn't exist, create it. 
            if (!Directory.Exists(destDirName))
            {
                Directory.CreateDirectory(destDirName);
            }

            // Get the files in the directory and copy them to the new location.
            FileInfo[] files = dir.GetFiles();
            foreach (FileInfo file in files)
            {
                string temppath = Path.Combine(destDirName, file.Name);
                file.CopyTo(temppath, overwrite);
            }

            // If copying subdirectories, copy them and their contents to new location. 
            if (copySubDirs)
            {
                foreach (DirectoryInfo subdir in dirs)
                {
                    string temppath = Path.Combine(destDirName, subdir.Name);
                    DirectoryCopy(subdir.FullName, temppath, copySubDirs, overwrite);
                }
            }
        }
}

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