C# - Alle Dateien eines Ordners auflisten

public class ListFiles
{
    /// <summary>
    /// Creates a list which contains all filenames in a specific folder
    /// </summary>
    /// <param name="Root">Folder which contains files to be listed</param>
    /// <param name="SubFolders">True for scanning subfolders</param>
    /// <returns></returns>
    public List<string> GetFileList(string Root, bool SubFolders)
    {
        List<string> FileArray = new List<string>();
        try {
            string[] Files = System.IO.Directory.GetFiles(Root);
            string[] Folders = System.IO.Directory.GetDirectories(Root);

            for (int i = 0; i < Files.Length; i++)
            {
                FileArray.Add(Files[i].ToString());
            }

            if (SubFolders == true) 
            {
                for (int i = 0; i < Folders.Length; i++) 
                {
                    FileArray.AddRange(GetFileList(Folders[i], SubFolders));
                }
            }
        }
        catch (Exception Ex) 
        {
            throw (Ex);
        }
        return FileArray;
    }
}