1 using System;
 2 using System.IO;
 3  
 4 public class FileMove
 5 {
 6     public FileMove()
 7     {
 8         // TODO:
 9     }
10  
11     // copy all file(*.png) in folder src to dest
12     private static void moveFiles(string srcFolder, string destFolder)
13     {
14         DirectoryInfo directoryInfo = new DirectoryInfo(srcFolder);
15         FileInfo[] files = directoryInfo.GetFiles();
16          
17         foreach (FileInfo file in files) // Directory.GetFiles(srcFolder)
18         {
19             if (file.Extension == ".png")
20             {
21                 file.MoveTo(Path.Combine(destFolder, file.Name));
22             }
23             // will move all files without if stmt 
24             //file.MoveTo(Path.Combine(destFolder, file.Name));
25         }
26     }
27  
28     // test demo
29     static void Main(string[] args)
30     {
31         string src = http://www.mamicode.com/"E:\\test\\src";
32         string dest = "E:\\test\\dest";
33         //moveFiles(dest, src); // dest -> src
34         moveFiles(src, dest); // src -> dest
35         Console.WriteLine("image copy finished!");
36         Console.ReadLine();
37          
38     }
39 }