VixenApplication.ConfigControllers.listViewControllers_SelectedIndexChanged C# (CSharp) Method

        private void listViewControllers_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (listViewControllers.SelectedItems.Count > 1 || listViewControllers.SelectedItems.Count == 0) {
                _PopulateFormWithController(null);
            } else {
                _PopulateFormWithController(listViewControllers.SelectedItems[0].Tag as OutputController);
            }
        }