Clone a directory with all its files.

MainVM.cs

public static void CloneDirectory(string root, string dest)
{
    foreach (var directory in Directory.GetDirectories(root))
    {
        var dirName = Path.GetFileName(directory);
        if (!Directory.Exists(Path.Combine(dest, dirName)))
        {
            Directory.CreateDirectory(Path.Combine(dest, dirName));
        }
        CloneDirectory(directory, Path.Combine(dest, dirName));
    }
    foreach (var file in Directory.GetFiles(root))
    {
        File.Copy(file, Path.Combine(dest, Path.GetFileName(file)));
    }
}