Sort Out List Box by Modified Date.

Question

in below file is showing from a directroy file but not sort out I need sort out by modified date.

please help me about this... thanks.

private void Receipts_Load(object sender, EventArgs e)
{
    try
    {
        string[] files = Directory.GetFiles(path);

        foreach (string file in files)
        {
            show_receipts_listbox.Items.Add(Path.GetFileName(file));
        }

    }
    catch(Exception ex)
    {
        MessageBox.Show(ex.Message, "Error");
    }
}