Tirado do plug-in WP-Polls:
add_action('admin_menu', 'poll_menu');
function poll_menu() {
if (function_exists('add_menu_page')) {
add_menu_page(__('Polls', 'wp-polls'), __('Polls', 'wp-polls'), 'manage_polls', 'wp-polls/polls-manager.php', '', plugins_url('wp-polls/images/poll.png'));
}
if (function_exists('add_submenu_page')) {
add_submenu_page('wp-polls/polls-manager.php', __('Manage Polls', 'wp-polls'), __('Manage Polls', 'wp-polls'), 'manage_polls', 'wp-polls/polls-manager.php');
add_submenu_page('wp-polls/polls-manager.php', __('Add Poll', 'wp-polls'), __('Add Poll', 'wp-polls'), 'manage_polls', 'wp-polls/polls-add.php');
add_submenu_page('wp-polls/polls-manager.php', __('Poll Options', 'wp-polls'), __('Poll Options', 'wp-polls'), 'manage_polls', 'wp-polls/polls-options.php');
add_submenu_page('wp-polls/polls-manager.php', __('Poll Templates', 'wp-polls'), __('Poll Templates', 'wp-polls'), 'manage_polls', 'wp-polls/polls-templates.php');
add_submenu_page('wp-polls/polls-manager.php', __('Uninstall WP-Polls', 'wp-polls'), __('Uninstall WP-Polls', 'wp-polls'), 'manage_polls', 'wp-polls/polls-uninstall.php');
}
}
