Delete All Files

C# Examples (csharp-examples.net) 

Delete All Files (*.*)

//Delete all files 
using System.IO;

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

//Delete all files (one-row example)
Array.ForEach(Directory.GetFiles(@"c:\MyDir\"),
              delegate(string path) { File.Delete(path); });