C#

public static object ScanDirectories(string scanEntryPoint)
{

    // build the store
    //BuildGenericLists SingleDirectoryFileStore = new BuildGenericLists();
    List<FileEntry> SingleDirectoryFileStore = new List<FileEntry>();

    // grab the start location of the recursion
    DirectoryInfo StartDir = new DirectoryInfo(scanEntryPoint);

    // kick off the recursion
    GetDirectoryFiles(StartDir);

    // return the list containing the file information
    return SingleDirectoryFileStore;
}

static void GetDirectoryFiles(DirectoryInfo filesInDirectory)
{
    FileInfo[] files;
    files = filesInDirectory.GetFiles("*.*");
    foreach(FileInfo file in files)
    {
        string fileName = file.FullName;
        string fileSize = file.Length.ToString(CultureInfo.InvariantCulture);
        string fileExt = file.Extension;
        string fileCreated = file.LastWriteTime.ToString(CultureInfo.CurrentCulture);

        SingleDirectoryFileStore.Add(new FileEntry(fileName, fileSize, fileExt, fileCreated));
    }

    DirectoryInfo [] directorySubDirectory = filesInDirectory.GetDirectories("*.*");

    foreach (DirectoryInfo dir in directorySubDirectory)
    {
        GetDirectoryFiles(dir);
    }
}