private void btnShowFolders_Click(object sender, EventArgs e)
        {
            FrmSort sort = new FrmSort(Directory.GetDirectories(directoryPath, "*.*", SearchOption.AllDirectories), directoryPath, false, checkBoxAllDirectories.Checked, false);

            sort.ShowDialog();
        }
        private void btnShowFiles_Click(object sender, EventArgs e)
        {
            FrmSort sort = new FrmSort(allFiles.ToArray(), directoryPath, true, checkBoxAllDirectories.Checked, checkBoxAdvancedFilter.Checked);

            sort.ShowDialog();
        }