Delete All Files (.) [C#]

This examples shows how to delete all files (*.*) from a folder in C#.

First, you need to get the list of file names from the specified directory (using static method Directory.GetFiles. Then delete all files from the list.

Delete all files

[C#]

using System.IO;

string[] filePaths = Directory.GetFiles(@"c:\MyDir\");
foreach (string filePath in filePaths)
  File.Delete(filePath);

Delete all files (one-row example)

To delete all files using one code line, you can use Array.ForEach with combination of anonymous method.

[C#]

Array.ForEach(Directory.GetFiles(@"c:\MyDir\"),
              delegate(string path) { File.Delete(path); });

See also

[C#] Get Files from Directory – how to get files from directory
[C#] FileStream Open File – how to open file using file stream
[C#] FileStream Read File – how to safely read file stream

Directory.GetFiles – MSDN – returns the names of files in a specified directory
Array.ForEach – MSDN – calls the specified method on each element of the array

By Jan Slama, 2007