Show Multiple Events via the Next Events Widget

/**
 * This class can change the Next Event widget query so that the number of
 * returned posts (events) is something other than 1.
 *
 * You could add this to your theme's functions.php file or bundle it up inside
 * a plugin (for TEC/ECP 2.0.9).
 */
class NextEventWidgetModification {
    protected $numEvents = 1;


    public function __construct($numEvents) {
        $this->numEvents = absint($numEvents);
        add_filter('widget_display_callback', array($this, 'listenForWidget'), 10, 2);
    }


    public function listenForWidget($instance, $object) {
        if ($object->name === 'Next Event Widget')
            add_filter('parse_query', array($this, 'alterNumberOfEvents'));
    }


    public function alterNumberOfEvents($query) {
        $query->query_vars['posts_per_page'] = $this->numEvents;
        return $query;
    }
}


// Modify the Next Event widget to show 5 events
new NextEventWidgetModification(5);