CSSScript.SearchDirs.apply_Click C# (CSharp) Метод

        private void apply_Click(object sender, EventArgs e)
        {
            try
            {
                Settings settings = Settings.Load(ConfigFile);
                settings.SearchDirs = "";
                foreach (string dir in listBox1.Items)
                    settings.SearchDirs += dir + ";";
                settings.Save(ConfigFile);
                modified = false;
                apply.Enabled = modified;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }