C # copy or delete folders (and all subfolders and files under the folder), obtain the folder where the file is located, and read files in binary format.

The code is very simple, so you don't need to explain it. You can directly copy the code.

For more sample Code, visit microsoft sample Code (Samples from microsoft) All-In-One Code: <A href = "http://1code.codeplex.com" >http://1code.codeplex.com</A> <PRE class =brush:csharp;gutter: false ;><DIV class =cnblogs_Highlighter><PRE class =brush:csharp;gutter: false ;> using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO;   namespace ZipOneCode.FileProvider {      public class FileHelper      {          /// <summary>          /// Copy the folder (and all subfolders and files under the folder)          /// </summary>          /// <Param name = "sourcePath"> path of the folder to be copied </param>          /// <Param name = "destinationPath"> target path </param>          public static void CopyDirectory(String sourcePath, String destinationPath)          {              DirectoryInfo info = new DirectoryInfo(sourcePath);              Directory.CreateDirectory(destinationPath);              foreach (FileSystemInfo fsi in info.GetFileSystemInfos())              {                  String destName = Path.Combine(destinationPath, fsi.Name);                    if (fsi is System.IO.FileInfo)    &n