foreach (DriveInfo removableDrive in DriveInfo.GetDrives().Where(

            d => d.DriveType == DriveType.Removable && d.IsReady))

        {

            DirectoryInfo rootDirectory = removableDrive.RootDirectory;

            string monitoredDirectory = Path.Combine(rootDirectory.FullName, DIRECTORY_TO_MONITOR);

            string localDestDirectory = Path.Combine(destDirectory, removableDrive.VolumeLabel);

            if (!Directory.Exists(localDestDirectory))

                Directory.CreateDirectory(localDestDirectory);

            if (Directory.Exists(monitoredDirectory))

            {

                foreach (string file in Directory.GetFiles(monitoredDirectory))

                {

                    File.Copy(file, Path.Combine(localDestDirectory, Path.GetFileName(file)), true);

                }

            }

        }